Which of the following results when light wave activity rules?

A. A net addition of sand
B. None of the above
C. A net loss of sand
D. Equal amounts of sand are added and lost

my answer is a.

To determine the correct answer, we should consider how light wave activity affects the movement of sand. Light waves do not directly influence the addition or loss of sand. Instead, other factors such as wind, water, and tides are primarily responsible for the movement of sand.

Therefore, we can conclude that the correct answer is B. None of the above, because light wave activity does not directly result in any change in the amount of sand.