Aurora do not occur in the
A) ionosphere.
B) thermosphere.
C) troposphere.
D) mesosphere.
E) none of the above
C
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The main concern with a nuclear power plant is the danger of a __________ where heat builds up and causes an explosion, releasing dangerous radioactive compounds into the environment.
Fill in the blank(s) with the appropriate word(s).
Downdrafts totally dominate the ________ of an air mass thunderstorm
A) mature stage B) dissipating stage C) cumulus stage
A green flash occurs because:
A) ice crystals diffract the green light. B) green light is scattered more during sunrise. C) green light is bent more than red and orange light. D) red and orange light is absorbed by the atmosphere.
Which of the following is the force that initially causes the wind to blow?
A) Coriolis effect B) Geostrophic C) Gravity D) Pressure gradient E) Friction