A. The onset of the menstrual flow
The notable
hardness of bone is attributed to the presence of inorganic hydroxyapatites.
Due to the calcium salts deposited in it, resulting to the hardness. The
abnormal hardness of bone, which allows it
to resist the compression.
I would say A) Short-term. Unless the earthquake is extremely powerful it would not be classified in the other three categories, so most earthquakes would be short-term
Biology answers many questions<span>, </span>but its main focus is<span> how living organisms interact and function.
hope it helped give thanks :)
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