Question

convection _______.
1.occurs in fluids
2. requires physical contact between molecules
3.occurs in solids
4. is the method of heat transfer used by the Sun
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Answer 1

Answer:

The answer is 1: Occurs in fluids.

Explanation:

Convection happens when a lot of heat in fluids/gas move and/or take the place of particles with less heat.

Answer 2

Answer:

1. occurs in fluids

Explanation:

the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.