Condensation nuclei:
A) do not include hygroscopic aerosols.
B) by definition do not dissolve in water.
C) are relatively abundant in the atmosphere.
D) typically originate as micrometeors from space.
Answer: C
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Which of the following best describes the direction of Earth's rotation?
A) Clockwise. B) Eastward C) Counterclockwise D) Counterclockwise when viewed from the North Pole; clockwise when viewed from the South Pole, eastward when viewed from the equator.
The whale shark is the largest species of shark and eats ____
A) seals and other smaller marine mammals B) fish, especially tuna C) plankton near the surface of the water D) benthic crabs
The water level in a piezometer is a measure of:
a. atmospheric pressure b. hydraulic conductivity c. hydraulic gradient d. hydraulic head
What percent of the world's power is generated from renewable sources?
A) 20% B) 10% C) 3% D) 5% E) 7%