Being physically active can help you sleep better help you feel better about yourself and greatly improve your confidence <span />
When new information or experiences cause you to modify your existing schemes.
Answer:
because that one sperm cell have the 23 chromosomes to mix with the 23 in the egg.... to fertilize it
Explanation:
People with a higher basal metabolic rate
:):):)
because they burn calories faster, thus they need more
