It has to be D because the arrow will drop as it moves, if it were a gun, you'd lead the target so fire below it, but due to it being an arrow, you aim high not low. Also, they didnt specify how fast anything is, so you'd probably miss if you actually did it.
Answer:
the answer is 20 neutrons
Explanation:
To what question please put the question ill be glad to help
A - i think
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