Atmosphere L1-2

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What happens to the temperature in the mesosphere as the altitude increases?

What are the gases in Earth’s atmosphere in order of most abundant to least?

In which layer of the atmosphere does the weather occur?

This occur when ions from the Sun strike air molecules.

In which layer of the atmosphere are the warmest air temperatures found?

What is the most abundant gas in the atmosphere?

In which layer of Earth's atmosphere does the temperature decrease as altitude increases?

This gas in the troposphere plays a key role in Earth's weather.