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What else can I help you with?
Is DDT is non-biodegradable?
DDT (dichlorodiphenyltrichloroethane) is a persistent organic pollutant that is considered non-biodegradable in the environment. It can remain in the environment for a long time, accumulating in organisms and the food chain, leading to harmful effects on wildlife and humans.
Carnivorous birds that fed on organisms exposed to this chemical produced fragile eggs The chemical is?
The chemical is likely DDT, a pesticide used in the past. DDT accumulated in the tissues of organisms, resulting in fragile eggshells when carnivorous birds like eagles or hawks consumed contaminated food. This eventually led to population declines in these bird species due to reproductive issues.
What chemical replaced DDT?
There isn't a single chemical that directly replaced DDT, but rather a shift towards using integrated pest management techniques, including rotating different insecticides and using physical methods like traps. Some commonly used insecticides post-DDT include pyrethroids, neonicotinoids, and organophosphates.
What are persistent pesticides?
Persistent pesticides are chemicals that remain in the environment and can accumulate over time in soil, water, and organisms. These pesticides do not easily degrade, which can lead to long-lasting environmental and health impacts. Examples include organochlorine pesticides like DDT and chlordane.
Is ddt a mixture or compound?
Chlorine is an elemental gas, but is technically a compound in its naturally occurring state because, like many gases, it occurs as CL2, rather than Cl. It can be part of a mixture if it is in solution with other gases or liquids.
What are the four elements in DDT?
The chemical formula of DDT is C14H9Cl5.
How long does DDT last?
DDT is a persistent chemical that can remain in the environment for a long time. It has a half-life of around 2 to 15 years in soil and can remain in water bodies for several years. However, the use of DDT has been phased out in many countries due to its harmful effects on the environment and human health.
What do you mean by DDT?
DDT is a strong pesticide: dichlorodiphenyltrichloroethane, with the chemical formula C14H9Cl5.
Why did the US to stop using DDT?
The United States stopped using DDT primarily due to its harmful effects on the environment and human health. It was found to have persistent toxic effects on wildlife, to bioaccumulate in the food chain, and to have potential carcinogenic properties. These concerns prompted the US to ban the use of DDT in agriculture in 1972.
When were ecological threats of DDT and other persistent pesticides were first recognized?
Silent Spring by Rachel Carson was published in 1962. It spoke out about how DDT was causing bird eggs to not hatch. The book led to the ban on DDT in the 1970s and 1980s.
Why is DDT not a banned chemical in North America?
After my knowledge the use of DDT is banned in USA, with the exception of use for health.
What are the regulations for the use of DDT in New Zealand?
DDT cannot be used in New Zealand. New Zealand has signed and ratified the Stockholm Convention on Persistent Organic Pollutants which includes DDT. DDT was prohibited from use on New Zealand farmland in 1970, and its production and sale for all other purposes was banned by law in 1989.
Why might people who understand DDT disagree to DDT?
People who understand DDT may disagree with its use due to environmental concerns. DDT is a persistent organic pollutant that accumulates in the environment and can harm non-target species, including humans. Alternatives that are less harmful to the environment and human health are available for pest control.
What are the chemical elements are common to both DDT and freon?
The common chemical elements found in both DDT (dichlorodiphenyltrichloroethane) and Freon (chlorofluorocarbons) are carbon, chlorine, and hydrogen.
What does dichlorodiphenyltrichloroethane mean?
Dichlorodiphenyltrichloroethane is the chemical name for the insecticide DDT
Which countries have not banned the pesticide DDT yet?
DDT is a persistent chemical - it does not break down after it is used. So if you spray DDT to kill bugs, and birds eat the bugs, the birds now have DDT in them. Some species of birds almost went extinct because the DDT made their eggshells so weak that the chicks couldn't survive. You don't want to have a chemical around that solves one problem, but creates a hundred more.
Who female biologist wrote about the dangers of the chemical ddt?
Racheal Carson
