Which of the following is a characteristic of the mesosphere? MCQ with Answer and Explanation

Explanation:
Nitrogen is not a greenhouse gas. It makes up about 78% of the atmosphere but does not absorb infrared radiation. Carbon dioxide, methane, and nitrous oxide are significant greenhouse gases.

Explanation:
Extratropical cyclones are cold-core systems, meaning they are driven by temperature contrasts between air masses and are associated with fronts. They form over land or cold water.

Explanation:
The Chinook is a warm, dry wind that descends the eastern slopes of the Rocky Mountains in North America.