Author Question: Of all the sources of pollution, which one releases the greatest amount of toxic substances into the ... (Read 228 times)

bclement10 · **on:** Jul 16, 2018

Of all the sources of pollution, which one releases the greatest amount of toxic substances into the environment?

A) Homes
B) Automobiles
C) Small businesses
D) Industrial facilities

Question 2

Halogenated hydrocarbons are a problematic group of synthetic organic compounds because they are

A) toxic, non-biodegradable and readily absorbed into the body.
B) radioactive.
C) heavy metal insecticides that kill many non-target species.
D) biodegradable but highly toxic.