Coral bleaching often occurs in response to ________
A) decreased sunlight
B) elevated temperatures
C) high turbidity
D) increased nutrients
E) influx of freshwater
B
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What was odd about calling the 2000 Olympic Games in Sydney the "Summer Games?"
A. A anomalous cold front kept daytime temperatures in the 40s and 50s Fahrenheit. B. The games were held from September through October which is technically autumn. C. The games were actually held in Melbourne. D. Seasonally, it was winter in Australia.
Ozone is ________. In the upper atmosphere it ________. a. O3; is a pollutant
b. O2; absorbs ultraviolet energy c. O3; absorbs ultraviolet energy. d. O2; is a pollutant.
Drawdown refers to
A) the potentiometric surface of an aquifer. B) effluent conditions where groundwater feed streamflow. C) the lowering of an aquifer from overuse. D) the aquifer recharge area.
How will explosive volcanic eruptions affect global temperatures?
A) Temperatures will raise B) Temperatures will lower C) Temperatures will remain the same