Sample Questions for Test 2.

Multiple Choice

1. What is the pH of normal rainwater?

A. pH=7

B. pH=5-6

C. pH=7-8

D. pH=4-5

 

2. What pollutant enters buildings from the underlying substrate?

1. formaldehyde
2. carbon monoxide
3. radon
4. asbestos

1. In the United States precipitation is particularly high ___________________________________ .

1. in the moist interior mid-west.
2. in eastern Washington state.
3. on the Gulf Coast.
4. In the south-west.

True or False

1. Global temperatures have remained relatively constant throughout the last 100,000 years until recently.

Essay

5. Describe the relationship between global temperature and CO2 levels in the atmosphere. Refer to theoretical and observational information. Describe trends in CO2 levels seasonally and for the last 3 decades.