In General,the Release of Toxic Chemicals to the Environment Over

In general,the release of toxic chemicals to the environment over the past 30 years has

A) increased dramatically in the United States,doubling about every ten years as the U.S.population has increased.
B) increased slightly in the United States,about 10% per decade,as the U.S.population has increased.
C) remained steady in the world,despite increases in the world's population.
D) greatly declined,by more than 50%,despite increases in the world's population.