D. Reaction time
Objects falling are moving quickly, and being able to react immediately is the most useful skill in this situation. Being agile or having good balance isn't helpful if the object has reached the ground before you moved.
hope it works lllllllllllllllllllllllll
i wrote that because it has to be at least 20 charecters long
<span>it is called voiding and micturition</span>
In a fully grown ADULT body, the skeleton is made up of 206 bones.