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Question: 11 in the last 130 years sea level has risen...

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11. In the last 130 years, sea level has risen by about

20 meters

2 meters

0.2 meters

0.02 meters

12. Melting permafrost causes increased CO2 emissions because

Plant growth becomes more abundant, increasing respiration of CO2

Plant growth becomes less abundant, decreasing uptake of photosynthesis

CO2 trapped in the ice is released to the atmosphere

Carbon stored in frozen soil becomes available to decomposers

13. By the end of the current century, sea level is expected to rise by an additional

0.1 meters

1 meter

10 meters

60-70 meters

14. Ocean acidification is caused by the increase in which of the following atmospheric gases?

Methane

Carbon dioxide

Nitrous Oxide

Ozone

15. Global warming is associated with which change in precipitation in the US?

Rainfall during very heavy events has increased

Rainfall during very heavy events has decreased

Rainfall during very heavy events has not changed

Global warming is not a factor affecting precipitation

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