A) occupy a much larger percentage of the Earth.
B) do not manage their water resources efficiently.
C) have much higher fertility rates.
D) have a greater impact on the environment.
D
What does this map show about acid rain (low PH)?
A) California suffers from of high levels of acid rain.
B) The Gulf Coast suffers from the highest levels of acid rain.
C) The Northeast has high levels of acid rain.
We lose 5 to 7 million hectares of productive cropland per year to ________
What has happened to U.S. savings rates since the 1980s?
A) They have declined steadily, and were at zero in 2004. B) They have increased steadily, and were at 4% in 2005. C) After increasing up until 2000, savings rates have dropped to near zero since. D) After declining dramatically until 2000, they are back up and are now at an all-time high. E) They have held steady at 7%.
If you are standing directly south of a smoke stack and the wind from the stack is blowing over your head, what would be the wind direction?
a. north b. east c. south d. west e. northeast