Multiple Choice
Convection cells exist on the earth's surface primarily because:
A) Water evaporates from the ocean.
B) Warm, moist air rises.
C) The warm air cools and condenses.
D) Cool, dry air sinks and moves across the earth's surface.
E) All of these answers.
Correct Answer:

Verified
Correct Answer:
Verified
Q28: Match the biome or aquatic system listed
Q30: Which of the following microclimate effects is
Q54: The fragility of the desert ecosystem is
Q113: Which of the following trees is characteristic
Q114: In tropical rainforests, vegetation layers are structured
Q114: Trees of wet tropical rain forests tend
Q118: Coral reefs<br>A)support a large variety of marine
Q120: The coastal zone has _ of all
Q121: Humans have affected grasslands by<br>A)the introduction of
Q122: A forest that is known for its