13

1. 13. TRUE(A)/FALSE(B) the ozone holes are centered at the polar regions, thus, the extra UV

FALSE

2. The Cl from CFCs negatively affects the ozone layer because of which of the following reaction(s)?

A. Cl+O3ClO+O2
B. ClO+OCl+O2

3. 15. Which of the following is true of public goods?

Every person benefits from public goods,regardless of contribution.

4. of the following is NOT a reason for the success of the Montreal Accords?

Signatory nations could not provide economic or military aid to non-signatory nations.

5. Which of the following is an example of an epidemiological study?

evaluating urine BPA levels in human subjects and checking for association with increased
incidence of cardiovascular disease or diabetes

6. Which of the following refers to evidence from unscientific observations, often relayed as secondhand stories?

anecdotal

7. All of the following are examples of pronatalist pressures EXCEPT:

None; all of the above are pronatalist pressures.

8. In the demographic transition, what will happen to birth and death rates as a country progresses from the preindustrial stage to the postindustrial stage?

Both will decrease.

9. Essential ecological processes that make life on Earth possible are called ___________.

ecosystem services

10. Which of the following are the three factors multiplied together in the IPAT model?

population, affluence, and technology