What type of volcano has the most violent eruption?
A. caldera
B. shield
C. composite
Ans: C. composite
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The primary way large amounts of condensation are brought about in nature is:
a. by warming air. b. by making air rise. c. by adding more water vapor to the air. d. by making air descend.
Which of the following terms refers to fog that most often forms as warm rain falls into a cold layer of surface air?
A. radiation fog B. evaporation fog C. upslope fog D. advection fog
The depth beneath the surface of the ocean below which passing waves do not disturb the water
column is called:a. thermocline. b. wave base. c. fetch. d. wave depth. e. the ocean floor
Certain features on the planet Mars resemble ________ on Earth.
A. placer deposits B. alluvial fans C. the hydrologic cycle D. river channels E. deltas