It's A, <span>They both are mechanisms by which new species arise.</span>
This is true that the pressure in the mesosphere is so low that a person could not be in this layer without a spacesuit.
The mesosphere is the region of the earth's atmosphere which is above the stratosphere and below the thermosphere. It has a very low temperature and pressure. The top of the mesosphere is the coldest part of Earth's atmosphere.
Answer:
A barometer
Explanation:
It is commonly used to measure atmospheric pressure
Answer:
<em><u>it is true 10000% sure</u></em>
hope i helped
-lvr
Answer:
Cold fronts form when a cooler air mass moves into an area of warmer air in the wake of a developing extratropical cyclone. The warmer air interacts with the cooler air mass along the boundary, and usually produces precipitation
