Andy has noticed that infertility has been affecting many of his intergenerational friends and family. based on this observation, andy is writing his senior thesis on the effects that certain cities, water quality, and hormones might have on his friends. andy will most likely approach his findings and paper using which theory?

Zero Population Theory

Explanation:

The theory that Should be used by Andy in this case is the one that is known as zero population growth or (ZPG) in this theory the number of people in a specific society or kind of population neither grows but is neither reduced and the number of people that are born together with immigrants equals dead people together with emigrants.

the last statement is correct i.e.

when your heart is not pumping enough blood around your body because your heart is severely failing, you may need an artificial heart. an artificial heart is a mechanical device, about the size of an orange, that is connected to your heart or implanted in your chest to or replace a failing heart.