Answer:
A. Gravity
Explanation:
The strong gravity, or "Pull" of the Earth is what keeps the moon in orbit.
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The reproductive system in both males and females are controlled and regulated by the interaction of hormones from the hypothalamus and pituitary glands with hormones from the reproductive organs. How do these hormones affect the development of male and female reproductive systems
1. SI,
2. Number 10.
I'm pretty sure it's that, I just did something related to that.
Answer:
A way a disease that is fatal can stay in the population is if its hereditary. Such as, it allows the carrier to live long enough to have children, which have the chance to either get it, or pass it on to their children.
Hope this helps!
Explanation: