80 POINTS IF YOU ANSWER ALL!! PLUS RATING, ETC!

1. Governments want to decrease the negative effects of climate change. Which of these measures would be most effective? Select the two correct answers.

A. Give tax incentives for energy conservation in homes and businesses.
B. Convert electric power plants from natural gas to coal.
C. Transition from power plants that burn natural gas to those that do not use fossil fuels.
D. Make the price of gasoline and diesel cheaper for consumers.

2. Which are true about changes in carbon dioxide in the Earth's atmosphere since 1860? Select the two correct answers.

A. The rate of change in carbon dioxide is exponential.
B. The increases in carbon dioxide are caused by human activity.
C. The changes are triggered by a new interglacial period.
D. The increases in carbon dioxide can be explained by the Milankovitch cycle.

3. What are the qualities of a greenhouse gas? Select the two correct answers.

A. three or more atoms in a molecule
B. produced by human activity
C. transparent to infrared radiation
D. composed of single atoms, not molecules
E. absorbs and re-emits infrared radiation

4. How would a weaker jet stream help to cause extreme flooding?

A. It would cause increased evaporation.
B. It would allow storm systems to stall in an area.
C. It would create high winds that move storm systems.
D. It would create thicker clouds.

5. Which choice gives the order of a chain of events that show cause and effect relationships that results from human activity?

A, increased water vapor in the atmosphere; increased carbon dioxide in the atmosphere; increase in severe storms; increase flooding
B. increased carbon dioxide in the atmosphere; increased water vapor in the atmosphere; increase in severe storms; increase flooding
C. increased carbon dioxide in the atmosphere; increase flooding; increased water vapor in the atmosphere; increase in severe storms
D. increased water vapor in the atmosphere; increase in severe storms; increased carbon dioxide in the atmosphere; increase flooding

6. Scientists are monitoring the pH of oceans. Which of these are they most likely studying?

A. the level of carbon dioxide in the air
B. the population of polar bears
C. the rise of sea level
D. the health of coral colonies

7. Where does the greenhouse effect occur?

A. within Earth's outermost land and water surfaces
B. in the troposphere
C. at every level of the atmosphere
D. in space, beyond Earth's atmosphere

8. Which directly contribute to sea level rise?

A. reflected energy and melting sea ice
B. reflected energy and carbon dioxide
C. carbon dioxide and water vapor
D. expansion and melting of land ice