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When fluids are heated from the bottom, ...

When fluids are heated from the bottom, convection currents are produced because

A

Molecular motion of fluid becomes aligned

B

Molecular collisions take place within the fluid

C

Heated fluid becomes more dense than the cold fluid above it

D

Heated fluid becomes less dense than the cold fluid above it

Text Solution

Verified by Experts

The correct Answer is:
D
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