The ozone layer helps prevent harmful UV rays from entering the atmosphere.
Answer:
Alpine tundra areas are found only at high elevations.
Explanation:
The arctic tundra is a specific region that covers the northernmost parts of the world from the north pole and extending south, whereas alpine tundra are found across the world at high altitudes.
where would it go? only if an asteroid with water hit the earth the amount might change
I think is D,,,,,,,,,,,,,,,,,
