Question

fluid friction is due to
1)only air
2)only water
3)only fluid.
4) all the above​

Answer 1

all of above

Explanation:

because air and water take water and they deposited water and take sand also in a levees

Answer 2

Answer:

all of the above.

Explanation:

fluid friction happens when the air is forcing on the fluid and also water helps top blow and friction. so all of the above.

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