The answer is A, the volume increases.
hope this helps
The answer is C. If the box is accelerating, that means that the amount of force you are exerting is greater than the force of the box.
Answer:
Part a)


Part b)

Explanation:
Part a)
Constant speed by which the student will run is given as

now after some time if student is going to overtake the position of bus
so here the final positions will be same
so we have




so it is

So student will run the total distance



Part b)
Speed of bus when student reach the bus is given as



I would go with salt in ocean water as when you heat it and the water begins to evaporate it will leave the salt behind
Also water in mud as the water would evaporate and leave the mud residue behind
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BRAINLIEST IF HELPED
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