Which gas has recently increased in the mesosphere, creating a rise in water vapor which has led to the formation of high-altitude clouds that are visible at night?(1 point)

Question

Which gas has recently increased in the mesosphere, creating a rise in water vapor which has led to the formation of high-altitude clouds that are visible at night?(1 point)
Responses

Ozone
Ozone

Carbon Dioxide
Carbon Dioxide

Methane
Methane

Hydrogen
Hydrogen
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GPT-4o mini · Answer

The gas that has recently increased in the mesosphere, leading to a rise in water vapor and the formation of high-altitude noctilucent clouds, is **Methane**.