Which of the following statements explains why night-time temperatures rarely drop below the dew-point temperature?
A. The ground releases sensible heat stored during daytime.
B. Saturation vapour pressures always increase at night.
C. The dew will absorb all the heat.
D. At saturation, latent heat of condensation is released into the air.
Answer: D
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Which of the following is not a factor involved in mass wasting?
A. gravity B. the steepness of slopes C. the cohesiveness of the geological materials D. excessive amounts of water E. All of these choices are correct.
Most of Earth's carbon dioxide is in the atmosphere
Indicate whether the statement is true or false
Volcanoes with broad bases and gentle slopes are called:
a) Shield volcanoes b) Stratovolcanoes (or composite cones) c) Cinder cones (or scoria cones) d) Mud volcanoes e) Lava domes
Which of the following policy approaches attempt to make price of goods and services reflect true (environmental) costs?
a) Carbon cap and trade b) Leadership in Energy and Environmental Design standards c) Green taxes d) All of the above