Biology, asked by Didiksha, 2 months ago

the brain is enclosed within the vertebral column and the spinal cord lies within the skull is this statement is true

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Answered by vinodkumarguptavg980

Answer:

Friction is force which opposes the motion of a body. The magnitude of friction in a wood depends on its surface. If the surface is rough, it provides more friction and if it is smooth it provides less friction.

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