Homeostasis is a tool that your body uses to keep things in balance. Such as your body temperature. Too hot, you start to sweat. (which cools you down as it evaporates) And when you're too cold, your body starts to shiver, effectively warming you up by making your body move rapidly.
Answer:
B and D? or the second and fourth ones
Explanation:
The answer is B) prime meridian
It is the opposite of the equator. If you need more of and explanation please just ask.
