Which of the following is the outermost layer of the atmosphere?

AStratosphere

BMesosphere

CTroposphere

DThermosphere ✓ Correct

Correct answer: (D) Thermosphere

Explanation

Among the given layers the thermosphere is the outermost part of the atmosphere.

The stratosphere is the second layer from the ground and holds the protective ozone layer.

The mesosphere lies above the stratosphere where most meteors burn up.

The troposphere is the lowest layer where weather occurs, not the outermost.

The thermosphere sits above the mesosphere and its air grows extremely hot with height.

The exosphere lies beyond the thermosphere as the true final fringe of the atmosphere.

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