I would guess it just means that the population just stays the same, no growth.
Answer:
d. All of the Earth's systems interact with each other.
Answer:
FALSE
Explanation:
Blood actually enters the right atrium first and finally exits thru left ventricle to the body.
To go to lungs, it must go from right atrium to right ventricle to the lungs.
A nutritious diet helps you sleep.
It helps fight against disease.
It will increase your metabolism.