Why is water vapor an extremely important greenhouse gas?
A. It concentrates the amount of carbon absorbed in the oceans.
B. It reflects UV radiation.
C. It strongly absorbs IR radiation.
D. It decreases the amount of precipitation and energy in the atmosphere.
Answer: C
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What is the problem with using wood-block-bathtub experiments to explain the isostasy of Earth's crust?
A) It only works for sections of Earth's crust less than 8 km thick. B) It only works for sections of Earth's crust greater than 80 km thick. C) Wood is not a reasonable approximation for crust behavior. D) Bathtub water does not behave like the mantle.
Patterns or configurations of stars named in honor of mythological characters are called perturbations
Indicate whether the statement is true or false
Which is not one of the United Nations' 7 criteria for sustainable forest management?
A) Biodiversity B) Water purification C) Profit D) Carbon storage E) Flood prevention
The role of the United Nations is to ________
A) make international laws regarding commerce and the environment B) maintain international environmental education standards C) regulate international travel, emigration, and immigration among member states D) help resolve international economic, social, cultural, and humanitarian problems E) develop international business cooperatives