The answer to your question is B. stressor.
A stressor is an event or situation that causes a strain on your body or mind.
<span>Gradually increasing the demands on your body as you advance in your fitness program is known as progression. You progress to other levels of training, so as to make your body stronger. Specificity is the quality of being specific. Regularity refers to something that happens regularly. Overload is too much burden, and it is not good.</span>
Answer:
because that one sperm cell have the 23 chromosomes to mix with the 23 in the egg.... to fertilize it
Explanation:
How may I be of assistance. The question is unclear.
