What atmospheric layer contains the ozone layer?

Study for the North Carolina Grade 8 End-of-Grade Science Test. Prepare with multiple choice questions, each question has hints and explanations. Ace your exam!

Multiple Choice

What atmospheric layer contains the ozone layer?

Explanation:
This question is testing where ozone is located within Earth's atmospheric layers. The ozone layer sits mainly in the stratosphere, a layer that lies above the troposphere and stretches roughly from about 10 to 50 kilometers above the planet’s surface. In this region, ultraviolet radiation from the Sun helps form ozone molecules, which accumulate to create the protective ozone layer that shields living organisms from harmful UV light. The troposphere, where weather occurs, has some ozone as a pollutant near ground level but does not contain the ozone layer. The mesosphere lies above the stratosphere and contains far less ozone, while the thermosphere is even higher with extremely thin air. So the layer that contains the ozone layer is the stratosphere.

This question is testing where ozone is located within Earth's atmospheric layers. The ozone layer sits mainly in the stratosphere, a layer that lies above the troposphere and stretches roughly from about 10 to 50 kilometers above the planet’s surface. In this region, ultraviolet radiation from the Sun helps form ozone molecules, which accumulate to create the protective ozone layer that shields living organisms from harmful UV light. The troposphere, where weather occurs, has some ozone as a pollutant near ground level but does not contain the ozone layer. The mesosphere lies above the stratosphere and contains far less ozone, while the thermosphere is even higher with extremely thin air. So the layer that contains the ozone layer is the stratosphere.

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