The ovalution starts after the 3 - 4 days of period.
Stopping potential or cut-off potential is defined as the required potential for stopping the removal of an electron from a metal surface when the incident light energy is greater than the work potential of the metal on which the incident light is focused
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Humans are heterotrophs with genomes in the DNA, so the answer is the 2nd option
C.) she may be infertile but she could use help to impregnate her.