Question

Gravitational force is required for :
1) Steering of liquid
2) Convection
3) Conduction
4) Radiation
Also give an explanation​

Answer 1

Answer:

2)convection

Absolutely, convection can occur in the absence of gravity. ... It will still convect heat away from your face => convection is possible. Here your driving the bulk fluid motion with a pressure gradient that is completely independent of gravity.

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Answer 2

gravitational force is required for:

answer 2 convection