Answer: b. biological control.
Explanation:
Answer:
It appears at the North Pole of the Earth
Explanation:
Because the ions from the sun slow down and make light at the poles
Answer:
Temperature decreases with altitude in two of Earth's atmospheric regions: the troposphere and the mesosphere. The troposphere is the region closest to the ground, and the mesosphere is just above the ozone layer.
Explanation:
The layout of the land of something like that