1.) Charring a Marshmallow
2.) I think its B
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Hey There!</h2><h2>
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Answer:</h2>

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Consider two bodies A & B which collide with each other. If
be the force exerted by the body A on Body B. Then Body B will also exert force
on Body A which is equal in magnitude but opposite in direction.

The force exerted by Body A on Body B is called Action, and the force exerted by the Body B on Body A is called Reaction.
<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2>