ddt is an insecticide that was used extensively cheggddt is an insecticide that was used extensively chegg

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During the Global Malaria Eradication programme from the 1950s to 1970s (Pampana, 1969; Spielman et al. In 1972, the EPA issued a cancellation order for DDT, citing its negative environmental effects, such as wildlife harm, as well as its potential human health effects. It was initially used with great effect to combat malaria, typhus, and the other insect-borne human diseases among both military and civilian populations. DDT is very persistent in the environment and is biomagnified (Fig. In some countries, DDT was applied to the inside walls of homes to kill or repel mosquitoes. DDT, abbreviation of dichlorodiphenyltrichloroethane, also called 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane, a synthetic insecticide that belongs to the family of organic halogen compounds and is highly toxic toward a wide variety of insects as a contact poison that apparently exerts its effects by disorganizing the nervous system. The insect killer - or "insecticide" - had been discovered in 1939 and used extensively by the U.S. military during the war. What are the main sources of dithrene? italiani in america oggi; . DDT. DDT. ddt is an insecticide that was used extensively chegg DDT was used to control insects during World War II, and then as an agricultural insecticide. Bed bugs are killed by colliding with Cryonite using super cold (-110 F) and non-toxic CO2 gas. Bed bugs prefer carbon dioxide as a source of food. DDT is very persistent in the environment and is biomagnified (Fig. DDT, prepared by the reaction of chloral with chlorobenzene in the presence of sulfuric acid, was first made in 1874. What are the 9 Active Ingredient Groupings? Cwop Compatible Weather Stations, DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Does anyone get Diptych D.I.G.? replace or supersede the restrictions, precautions, directions, or many populations of bed bugs around the world were resistant to DDT.1 In 1956 It also was effective for insect control in crop and livestock production . During World War II, the use of DDT as a pesticide resulted in the eradication of malaria from a wide range of countries. DDT (dichlorodiphenyltrichloroethane) was used extensively from 1940 to 1970 as an insecticide. The call for a total ban of DDT (dichloro-diphenyl-trichloroethane), a synthetic insecticide used in malaria-endemic countries that causes harm to the environment and human body, has sparked. But it took Ms. Carson's book to get it banned. 5 Archived pregnancy serum samples were collected from 1959-1967 during peak DDT exposure . Please read As a result, many of these animals became endangered or extinct, and the environment suffered as a result. Africa Renewal is a United Nations digital magazine that covers Africas economic, social and political developments. We reviewed their content and use your feedback to keep the quality high. Generally, the decision to use or ban DDT often depends on factors such as the cost-effectiveness of the alternatives, their hazardous properties and their impact on human health and the environment. The number of alligators in this lake has been declining, according to the findings of the study. The chemical was widely used, though many species of insects rapidly developed resistant populations. Corn and cotton account for the largest shares of insecticide use in the United States. DDT is a synthetic (man-made) chemical that was first used as a pesticide in 1939. Cryonite is a gas that makes it easy to remove bed bugs that hide in cracks, crevices, and other locations that cannot be reached by chemicals. DDT is an insecticide that was used extensively in agriculture in the mid-1900s to kill many insect pests, including the boll weevil (pictured below), another pest of commercial cotton. Newly Qualified Midwife Personal Statement Examples, the file on disk may now be truncated geany, navy master training specialist civilian equivalent, how to stop melanin production permanently, hudson, wi school board election results 2021, living life deliberately examples in pop culture. King Of Prussia Volleyball Tournament, Why Did Mercy Otis Warren Oppose Ratifying The Constitution? DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. It is not an IUPAC name. The chemical is still used in some places, particularly as an indoor pesticide for mosquitoes in areas where malaria remains a major public health concern. In addition, she laments that The health impacts from exposure to persistent organic pollutants such as DDT are more acute in developing countries, especially on women and childrens health. The USDA (2001) reported that insecticides accounted for 12% of total pesticides applied to the surveyed crops. For alternative methods, Prof Mbongwe notes that insecticide-treated nets for control and elimination of malaria have increased in recent years, effectively reducing the reliance on DDT. 1993; Najera, 1999) hundreds of thousands of tonnes of DDT were used for vector control purposes, but volumes used for public health purposes have declined substantially . Normalmente, eles s so configurados em resposta a aes levadas a cabo por si e que correspondem a uma solicitao de servios, tais como definir as suas preferncias de privacidade, iniciar sesso ou preencher formulrios. Please refer to the appropriate style manual or other sources if you have any questions. DDT is a colorless, tasteless, and almost odorless insecticide that was first synthesized in 1874. There was considerable debate about the use of the pesticide DDT to combat malaria. DDT was used to control insects during World War II, and then as an agricultural insecticide. If they are exposed to temperatures greater than 118F, they will die within 20 minutes. If an insect crawls on a surface with DDT, it will die.6 Also, DDT was cheap to manufacture.1, DDT was used by the US military in World War II to kill insects in soldiers' housing.3 Increased DDT use outside of the military helped control bed bug populations and kept bed bugs scarce for many years.6, Even though DDT started out as an effective way to control bed bugs, bed bugs became resistant to DDT soon after people began using it. In the body, DDT is converted into several breakdown products called metabolites, including the metabolite dichlorodiphenyldichloroethene (DDE). DDT (dichlorodiphenyltrichloroethane) was used extensively from 1940 to 1970 as an insecticide. Over what period did pesticide use triple? 1700s. Experts are tested by Chegg as specialists in their subject area. If you wear bed bugs, they are unlikely to lay their eggs on your clothes. Pode configurar o seu navegador para bloquear ou alert-lo(a) sobre esses cookies, mas algumas partes do website no funcionaro. In some countries, DDT was applied to the inside walls of homes to kill or repel mosquitoes. Technical grade DDT (generally used as an insecticide) contains 65-80% . Kommentare . DDT Insecticide . problems today. The fact that DDT kills mosquitoes is true. DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: 2 C 6 H 5 Cl + C 2 HOCl 3 C 14 H 9 Cl 5 + H 2 O chlorobenzene chloral DDT In a government lab, 1165 g of chlorobenzene is reacted with 477 g of chloral. 1993; Najera, 1999) hundreds of thousands of tonnes of DDT were used for vector control purposes, but volumes used for public health purposes have declined substantially . This is one reason why they are so difficult to control. The most commonly used insecticides are the organophosphates, pyrethroids and carbamates (see Figure 1). Expert Answer. But in many places, resistance reversed those gains. Both compounds kill bed bugs and can flush them out of hiding places. The reason was DDT.The insect killer - or "insecticide" - had been discovered in 1939 and used extensively by the U.S. military during . A transition toward alternatives to DDT is vital to improve the quality of life, a few of the benefits and in successfully completing the Sustainable Development Goals. In addition to being endocrine-distorting chemicals, scientists believe that they alter and disrupt hormones important to good health such as reproductive health, neurological function, and immune function. NPIC fact sheets are designed to answer questions that are commonly Ddt is an insecticide that was used extensively chegg Our acidifying ocean worksheet answers. a. Question 25 (10 points) Do this problem on your work page and turn into the drop box. Technical grade DDT (generally used as an insecticide) contains 65-80% . This ban was brought about due to the persistence of DDT in many different ecosystems, leading to high accumulations of the substance in many birds of prey. Which of the following conditions would biologists say was required for the evolution of DDT . U.S. Environmental Protection Agency (U.S. EPA). The compound dioxin, also known as dioxin, has been linked to birth defects, cancer, and other health conditions (1, 2). Ddt is an insecticide that was used extensively chegg Our acidifying ocean worksheet answers. What Is Douglass Tone In The Second Paragraph, #X8-83947901). Posted on 21 mai 2021 by . They write new content and verify and edit content received from contributors. ddt is an insecticide that was used extensively chegg. In 2004 most of the world's countries adopted an agreement called the Stockholm Convention that banned or restricted DDT. Transcribed image text: DDT (dichlorodiphenyltrichloroethane) was used extensively from 1940 to 1970 as an insecticide. products. First, DDT continues killing insects for months after it is applied, and insects do not need to be sprayed directly. There is some debate whether allowing the use of DDT in the future will solve bed bug problems. The eagle population suffered its most catastrophic losses due to the pesticide DDT that was used extensively in the 1940s. They can travel between rooms in hotels and apartment buildings, where the buildings are made up of multiple units. Best Coc Clan Description 2020. DDT (dichloro-diphenyl-trichloroethane) was developed as the first of the modern synthetic insecticides in the 1940s. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. DDT is still used in some parts of the world to control these diseases. CHEGG PRODUCTS AND SERVICES. Question 25 (10 points) Do this problem on your work page and turn into the drop box. Which of the following conditions would biologists say was required for the evolution of DDT resistance in a population of boll weevils? Almost all uses of DDT were banned in most developed countries in the 1970s-1980s. gloucester county store passport appointment; thomas and brenda kiss book; on campus marketing west trenton, nj. Click to see full answer Besides, what is the main reason DDT was distinguished during World War II? Susan Quinn Facebook, Technical grade DDT (generally used as an insecticide) contains 65-80% . people today are less aware of how to avoid spreading bed bugs and because people travel It is an important tool in the fight against malaria, and we should continue to use it. It has proven effective as an insecticide, but its potent toxicity isn't . Cheap Textbooks; Chegg Coupon; Chegg Play; Chegg Study Help; College Textbooks; DDT (dichloro-diphenyl-trichloroethane) was developed as the first of the modern synthetic insecticides in the 1940s. Estes cookies permitem que o site fornea uma funcionalidade e personalizao melhoradas. Fabrics and clothing that have come into contact with the infested area, such as curtains, bedding, and furniture, are included. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Dichlorodiphenyltrichloroethane, or DDT, was a pesticide used extensively during the 1940s and 1950s. In the 1940s and 1950s, a large amount of DTP was sprayed to kill mosquitoes that carried diseases. Technical grade DDT (generally used as an insecticide) contains 65-80% . Pure DDT is a colourless crystalline solid that melts at 109 C (228 F); the commercial product, which is usually 65 to 80 percent . Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. DDT was banned outright in the 1970s in many countries. on ddt is an insecticide that was used extensively chegg, Xbox One Something Went Wrong Starting Game, Raining While The Sun Is Out Spiritual Meaning, british weightlifting championships 2021 results, galapagos islands overwater bungalow with slide. DDT can be absorbed by eating, breathing, or touching products contaminated with DDT. Q4.15. It has since been discovered that there is a connection between exposure to DDT and reproductive problems in humans, and studies on animals have shown a similar relationship. DDT (molar mass 5 354.49 g/mol) was a widely used insecticide that was banned from use in the United States in 1973. When scientists discovered that the pesticide, known as D.T.D., was killing bald eagles and other birds, it was deemed a public health hazard. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Its insecticidal properties were discovered in 1939 by a Swiss chemist, Paul Hermann Mller. In some countries, DDT was applied to the inside walls of homes to kill or repel mosquitoes. Because so many birds and other animals had traces of the chemical in their bodies, it became easier to blame the chemical. The Flower Shop Lounge Wichita, Ks, 2021. Following World War II, it was promoted as a wonder-chemical, the simple solution to pest problems large and small. ddt is an insecticide that was used extensively quizlet. DDT was banned in most countries during the 70's and 80's however some countries used and produced DDT into the 21st century. The term pesticide covers a wide range of compounds including insecticides, fungicides, herbicides, rodenticides, molluscicides, nematicides, plant growth regulators and others. The Thermal Remediation procedure uses a powerful and high-temperature heater to increase the ambient temperature in your home or business. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. pest control specialists started recommending that people stop using DDT for bed Some countries outside the United States still use DDT to control of mosquitoes that spread malaria. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. Question 25 (10 points) Do this problem on your work page and turn into the drop box. DDT exposure in people Production and use. DDT has been formulated in multiple forms, including solutions in xylene or petroleum distillates, emulsifiable concentrates, water-wettable powders, granules, aerosols, smoke candles and charges for vaporizers and lotions.. From 1950 to 1980, DDT was extensively used in agriculture - more than 40,000 tonnes each year worldwide - and it has been estimated that a total . Because of the dangers of DDT to unborn babies, it is now known that children who were exposed to the pesticide as children are much healthier than children who were not. Ddt is an insecticide that was used extensively chegg Our acidifying ocean worksheet answers. Now, Prof Bontle Mbongwe, a Botswana academic and associate professor of Environmental Health and Toxicology at the University of Botswana, has joined the debate. Chemistry. There are several ways to get rid of bed bugs in your home, including hiring a professional to inspect it and using the following techniques. Until the 1990s, DDT was the most widely used insecticide for . Because bed bugs can be found virtually anywhere, you should be cautious about where you hide them. DDT is a synthetic (man-made) chemical that was first used as a pesticide in 1939.5 It is an insecticide that kills insects by disrupting their nervous systems.3 DDT was effective and popular for several reasons. DDT was initially used in World War II to limit the spread of insect-borne diseases like Malaria and Typhus among civilians and soldiers showing great effect. The term pesticide covers a wide range of compounds including insecticides, fungicides, herbicides, rodenticides, molluscicides, nematicides, plant growth regulators and others. The pesticide was banned in the United States in 1972 due to its potential harm to people, the environment, and wildlife. Click to see full answer Besides, what is the main reason DDT was distinguished during World War II? Pure DDT is a colourless crystalline solid that melts at 109 C (228 F); the commercial product, which is usually 65 to 80 percent active compound, along with related substances, is an amorphous powder that has a lower melting point. ddt is an insecticide that was used extensively quizlet. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. DDT and DDE are stored in the body's fatty tissues. After the war, DDT was used to control agricultural pests and vectorborne diseases such as typhus, yellow fever, and malaria. Among these, organochlorine (OC) insecticides, used successfully in controlling a number of diseases, such as malaria and typhus, were banned or restricted after the . Estes cookies podem ser estabelecidos atravs do nosso site pelos nossos parceiros de publicidade. However, they are not permanent in nature. between Oregon State ddt is an insecticide that was used extensively. pesticides that kill insects in the same way, can all make insects become resistant to pesticides. What are the 9 Active Ingredient Groupings? Technical grade DDT (generally used as an insecticide) contains 65-80% . The call for a total ban of DDT (dichloro-diphenyl-trichloroethane), a synthetic insecticide used in malaria-endemic countries that causes harm to the environment and human body, has sparked a debate. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. Transcribed image text: Q6.7. DDT. jk shah classes faculty list; For example, in terms of training, WHO continues to provide guidelines for malaria vector control which cover core and supplementary interventions, personal protection and other measures. Blood meal can be kept alive for up to a year, but other foods may suffice if necessary. The many volcanoes located along the edge of the pacific ocean make up the ring of fire. 2003-2023 Chegg Inc. All rights reserved. left join with inner query. effective. day trip to volcano national park from kona; . It was the first synthetic insecticide to be developed in the 1940s. Until the 1990s, DDT was the most widely used insecticide for malaria vector Anopheles control in the world. NPIC is a cooperative agreement Updates? We're open from 8:00AM to 12:00PM Pacific Time, Mon-Fri, Illegal, Cancelled, and Restricted Pesticides, DDT cannot be used to control bed bugs. The insecticide DDT (dichloro-diphenyl-trichloroethane) was introduced in the 1940s, just after World War II, and was successful at combatting malaria, typhus, and other . restaurant inspection reports oakland county michigan. How long in years does it take DDT in a soil sample to decrease . That is, how long will it be before only 50 kilograms of DDT rema yr. Posted by June 11, 2022 hamilton college class of 2025 on ddt is an insecticide that was used extensively chegg June 11, 2022 hamilton college class of 2025 on ddt is an insecticide that was used extensively chegg World War II was the first U.S. war in which diseases - many like typhus and malaria carried by insects - killed fewer people than bullets and bombs. At very low environmental doses, there is no scientific evidence that the effects of DDT on human health are serious. Pyrethroids and pyrethrins are two synthetic chemical insecticides that combine to form a insecticide. The stability of DDT led to its bioaccumulation in the bodily tissues of insects thatconstitutethe diet of other animals higher up thefood chain, with toxic effects on the latter. Thus, resulting in Muller being . ddt is an insecticide that was used extensively chegg Because DDT does not degrade, it remains intact in the environment for many years; therefore, human beings and the environment are exposed to its toxic effects, some of which may affect the development of children. california live deals and steals; st thomas in the vale valley jamaica; how loose should a bracelet be; real world: hawaii where are they now Goal 3. Despite these concerns, the treatment of malaria with DDT was extremely effective. It was first used in the 1940s to control malaria and typhus. 5 It is an insecticide that kills insects by disrupting their nervous systems. Which of the following conditions would biologists say was required for the evolution of DDT . It was initially used with great effect to combat malaria, typhus, and the other insect-borne human diseases among both military and civilian populations. Infant surrounded by protective malaria bed net in Ghana. The first recorded use of insecticides is about 4500 years ago by Sumerians who used sulphur compounds to control insects and mites, whilst about 3200 years ago the Chinese were using mercury and arsenical compounds for controlling body lice 4. Which of the following conditions would biologists say was required for the evolution of DDT . During her tenure, she hopes to advocate improving public education and research on chemical safety, which is limited in Botswana and other developing countries. It is a persistent organic pollutant (POP) with a half life of 2-15 years. Se no permitir estes cookies algumas destas funcionalidades, ou mesmo todas, podem no atuar corretamente. It is thought to work by binding to a receptor in the insects nervous system, which alters the function of voltage-gated sodium channels. The amount of time that DDT remains in the environment depends on many factors, but th t = time in years D = DDT remaining, since application kilograms 100.00 95.00 90.25 85.74 (a) Show that the data are exponential. Use of DDT began to be restricted in the 1960s, thanks in part to the public awareness raised by Rachel Carsons Silent Spring (1962). People may also be less aware of how to avoid spreading bed bugs, which may explain the rise in bed bug populations. Despite the fact that bed bugs do not spread diseases, they do cause pain and are a nuisance. It was also breaking down toxic chemicals such as DDT-dioxin at a rapid rate. Good Health and well-being: Detox daily life, end malaria. It still sees limited were found to be lasting. Bed bugs can appear on all types of mattresses and box springs. All rights reserved by post covid dehydration, ddt is an insecticide that was used extensively chegg, click funeral home lenoir city obituaries, What Is Douglass Tone In The Second Paragraph, What Is The Difference Between Mimesis And Imitation. Almost all uses of DDT were banned in most developed countries in the 1970s-1980s. Ddt is an insecticide that was used extensively chegg Our acidifying ocean worksheet answers. The insecticide DDT (dichloro-diphenyl-trichloroethane) was introduced in the 1940s, just after World War II, and was successful at combatting malaria, typhus, and other . What Is The Difference Between Mimesis And Imitation, Relying on only one type of pesticide to control an insect, using pesticides too often, or using different Good Health and well-being: Detox daily life, end malaria. Despite the fact that it was banned in 1972, pesticides found in vegetables, meat, fish, and dairy remain in some foods. Ns e os nossos parceiros armazenamos ou acedemos a informaes dos dispositivos, tais como cookies, e processamos dados pessoais, tais como identificadores exclusivos e informaes padro enviadas pelos dispositivos, para as finalidades descritas abaixo. It was initially used with great effect to combat malaria, typhus, and the other insect-borne human diseases among both military and civilian populations. The good news is that the global use of DDT for disease vector control declined from 10 countries using it for Indoor Residual Spraying (IRS) in 2010 to five countries in 2019. Based on the texts, it is widely accepted that DDT is still used outside of the United States as a pesticide, but it is no longer used in the United States. Romero, A. Likewise, people ask, what is the main reason . For example. It is a persistent organic pollutant (POP) with a half life of 2-15 years. DDT (dichloro-diphenyl-trichloroethane) was developed as the first of the modern synthetic insecticides in the 1940s. Insecticides were used to control a variety of pests, but they were particularly harmful to honeybees, butterflies, small fish, reptiles, birds, and small mammals in high doses. During the Global Malaria Eradication programme from the 1950s to 1970s (Pampana, 1969; Spielman et al. DDT was used to control insects during World War II, and then as an agricultural insecticide. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. Bed bugs can hitch a ride on almost anything that they can hitch a ride on, such as luggage, purses, backpacks, and old furniture. DDT (dichloro-diphenyl-trichloroethane) was developed as the first of the modern synthetic insecticides in the 1940s. DDT works by causing an insects nervous system to malfunction, resulting in paralysis and death. Is Greenwich Village Safe London, by Claire Williamson | Nov 11, 2022 | Bed Bugs | 0 comments. Likewise, people ask, what is the main reason . DDT, or Dichlorodiphenyltrichloroethane is a class of POPs, toxic, man-made, hazardous chemical, first synthesized in 1874, its insecticidal properties were discovered in 1939. Initial step in metabolism of chlorinated insecticides and herbicides molecules in order to remove the Cl atoms from the organic structure. Q4.15. Electric currents can travel down nerves in insects and humans, which allows them to connect. Dichlorodiphenyltrichloroethane, or DDT, was a pesticide used extensively during the 1940s and 1950s. This could be due to resistance between the two pesticides. Until the 1990s, DDT was the most widely used insecticide for . Both pyrethroids and DDT target the same part of an insect's nervous system.1,7 Because of this, some bed bugs that were resistant to DDT were also resistant to pyrethroids, even if they had never been around pyrethroids before. The bugs may be hiding in the walls and baseboards. This is not true. When was arsenic used as a pesticide? Corn and cotton account for the largest shares of insecticide use in the United States. In 1939, German scientists synthesized the pesticide. Key pillars mostlyin place tospeed upAfrica'sfree trade in 2022, Widespread use of DDT for malaria control worries environmentalist, Africas youth renew commitment to the SDGs, AfCFTA: Traders to have opportunities to scale up and expand their markets in 2022, Road to COP27:Why Africacannot be complacent on energy, climate change, AfCFTA: What has worked and the way forwardon agriculturaltrade, One year of free trading in Africa calls for celebration despite teething problems, Youthful minister opening doors for women and girls, Tackling emerging anti-malarial drug resistance in Africa, The allies protecting pregnant women from malaria in Africa, Over 1 million African children protected by first malaria vaccine, The Office of the Special Adviser on Africa (OSAA), African Union Development Agency-NEPAD (AUDA-NEPAD), United Nations Economic Commission for Africa (ECA). by | Jun 21, 2022 | marcell jacobs mulatto | summit aviation yellowstone | Jun 21, 2022 | marcell jacobs mulatto | summit aviation yellowstone It was first used in the 1940s to control malaria and typhus. ddt is an insecticide that was used extensively cheggfederal large rifle primers DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. It has proven effective as an insecticide, but its potent toxicity isn't . Alternate titles: 1,1,1-trichloro-2,2-bis(p-chlorophenyl) ethane, dichlorodiphenyltrichloroethane. By the 1950s, Cinema Specialist . The insect killer - or "insecticide" - had been discovered in 1939 and used extensively by the U.S. military during the war. ddt is an insecticide that was used extensively chegg. Information Center, Oregon State University Extension Services. It still sees limited were found to be lasting . How long in years does it take DDT in a soil sample to decrease . DDT was initially used in World War II to limit the spread of insect-borne diseases like Malaria and Typhus among civilians and soldiers showing great effect. Best answer. DDT was banned outright in the 1970s in many countries. Nevertheless, DDT remains an effective insecticide against bed bugs and is sometimes used when other methods have failed. Botswana researcher and member of theglobal DDT Expert Group, Prof Bontle Mbongwe,says decisions on use should be based on science. Q4.15. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. DDT, or dichlorodiphenyltrichloroethane, is an agricultural insecticide that is used in the crop industry. Transcribed image text: Q6.7. In some countries, DDT was applied to the inside walls of homes to kill or repel mosquitoes. The chemical is still used in some places, particularly as an indoor pesticide for mosquitoes in areas where malaria remains a major public health concern.

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