, or DDT, is a synthetic chemical that was first made in 1874. Some years later, it was discovered that it was highly effective in killing insects. By 1945, it was widely used in agriculture. DDT was used for years and was used globally before it was discovered that it harms wildlife. Your job is to do some digging and find out exactly what problems DDT caused, what species were affected and how, and what the EPA did about the problem. You will then write an article about DDT.

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.

catya that's not even a b or c