Pointing your toes like a ballerina is an example of plantar flexion.
A.
True
B.
False

The answer would be A

Explanation: Plantar Flexion is whenever you are bending your foot in a type of way. In ballerina you have to bending, or flexing your foot, this also known as plantar flexion, so the answer would be true.

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not sure if this what   you'r looking for would be percent composition

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.