They determine the north and south ends
Answer:
D) Sea otters are a keystone species as they prevent a herbivorous species from completely destroying a plant species.
Explanation:
Answer:
28 day orbit around Earth.
Explanation:
This is called the Lunar phase. The lunar phase or phase of the Moon is the shape of the directly sunlit portion of the Moon as viewed from Earth.
Answer:
Renewable resources include timber, wind, and solar while nonrenewable resources include coal and natural gas.
