Author Question: In general, the release of toxic chemicals into the environment over the past 30 years has A) ... (Read 82 times)

Wadzanai · **on:** Jul 16, 2018

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

A) increased dramatically in the United States, doubling about every 10 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 60, despite increases in the world's population.

Question 2

Floods are becoming more common primarily because

A) precipitation has increased worldwide.
B) populations are more concentrated in vulnerable watersheds.
C) land use has changed, altering runoff, erosion and infiltration patterns.
D) the sponge effect of forests releases large and unpredictable amounts of water.