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wolverine [178]
3 years ago
6

True or False?

Biology
2 answers:
Mumz [18]3 years ago
8 0

Answer:

true

Explanation:

convection currents occur when a heated fluid expands, becoming less dense, and rises. The fluid then cools and contracts, becoming more dense, and sinks

heat go up, cold go down. they cycle.

Natalka [10]3 years ago
3 0

Answer:

False

Explanation:

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