Question

5. A convection current is set up in a fluid
because of a difference in
(a) temperature (b) density
(c) volume
(d) all of these​

Answer 1

Answer:

Option no.d

Explanation:

I hope this is useful for you

Answer 2

Answer:

all of these

Explanation:

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and me also class 7th can u inbox u after 3-4 days when I will get ace....