<span>Mirage is due to (A). unequal heating of different parts of the atmosphere,
because that produces unequal density of different parts of the atmosphere,
which bends the light.
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Where is the data for this question? what is the purpose ?
Unlike acceleration and velocity, speed does not need to specify the direction of motion. Speed is a scalar quality.
Explanation:
When a man falls on a hard cemented floor his momentum reduced to zero in a very short time and hurt the man. Whereas when a man falls on a heap of sand. As sand can compress, it takes longer time for the man to hit the ground (or hard surface)
I'm pretty sure the answer would be D