Growing muscle, or you haven’t been used to doing leg exercises
Answer:
Natural factors of population change can't be swayed by humans. So for an example of a natural factor take an Earthquake. As of right now we can only predict when Earthquakes will. Inevitably some things will still get damaged and that just can't be helped. An Artificial factor for population change is something specifically made by humans. For an example take a genocide. If some guy decides he wants to go on a killing spree, well all I can say is that is Definitely not natural. Hope that helped.
A. Protein powers the body.
A) Alcohol is typically heavily advised against while a woman is pregnant for risk of their child’s health.
You should expplain the them were we r going to keep. that we'll keep it in a safe place.
