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Why was the pesticide DDT banned from use in the US?
Because of DDT birds would lay eggs without shells. Bald eagles became extinct in all states except Florida and Alaska. Pelicans became extinct in Louisiana. After DDT was banned a number of birds were introduced to their historic homelands from Florida and the few other places where they had survived.
What is the half life of the earth's magnetic field?
The half-life of the Earth's magnetic field is estimated to be around 1,000 years. This means that the strength of the magnetic field decreases by half every 1,000 years. The field is generated by the motion of molten iron in the Earth's outer core.
What does DDT mean in global warming?
DDT (dichlorodiphenyltrichloroethane) is a pesticide. It has nothing to do with global warming. It was however used as an example of the bio-accumulation of chemicals in the ecosystem which may harm animals, fish and birds. DDT was used as an example of these problems in Rachael Carson's book "Silent Spring"
What is the half-life of plutonium-239?
Plutonium has 20 isotopes; each isotope has another half-life. Please read: http://en.wikipedia.org/wiki/Isotopes_of_plutonium.
How do you write half life of uranium 238 as a standard number?
The half-life of the isotope uranium-238 is 4 468 000 000 years.
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 promblems were caused by the persitence of DDT?
Abusive use of DDT is considered as a danger for life of animals and humans being toxic and hardly degradable.
Who would SpongeBob or torrie Wilson?
Torrie Wilson, as she would DDT Spongebob and break him in half.
Why was DDT band in the late 1900s?
DDT was ban in the laye 1900's because it was killing the animal life- such as birds- and animal rights activists took it to court.
Is DDT a parasite?
DDT is an insecticide.
Why does DDT exist?
DDT is a pesticide.
What is DDT and what does it have to do with bio magnification?
DDT is dichlorodiphenyltrichlorethane; biomagnification of DDT in some organisms is possible.
What is ddt and what is it supposed to kill?
DDT is dichlorodiphenyltrichlorethane.
Who are the DDT?
DDT (dichlorodiphenyltrichloroethane) is a strong insecticide.
What odor does DDT have?
DDT hasn't an odor.
The molecule weight of DDT is 354.5the quantity of DDT required to prepare one liter of 10ppm DDT solution is.?
DDT is not soluble in water.
When was DDT banded?
DDT was banned in the USA in 1972.
