I am sure it is the first answer, to speak up when you need information restated or explained.
Answer:
because that one sperm cell have the 23 chromosomes to mix with the 23 in the egg.... to fertilize it
Explanation:
Answer:
About 874,100 (as of 2016)
Explanation:
The rate of abortion has decreased by 19% since 2011.
number of subjects, age and sex of the subject, and length of the study... Just took the quiz(:
Not two people are the same way. Some people have different bone densities then others. Some people's bodies react to differently with food and exercise