Fact 1: When a body of water receives more water than it can hold , a flood occurs. Fact 2: During heavy rains, the systems often overflow into the nearest water body. Given the two facts above, what might cause a flood to occur?

Choices:
A). Building a dam.
B). Heavy rains.
C). Wet weather.
D). erosion.
E). A drought.
F). A hard freeze.
G). streams.
H). massive damage.
Answer:
B).