Ozone consists of _____ molecules of oxygen, is found primarily in the __________, and protects us from __________.

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Get ready for the Dual Enrollment Earth Science Test. Study strategically with multiple choice questions that include hints and detailed explanations.

Multiple Choice

Ozone consists of _____ molecules of oxygen, is found primarily in the __________, and protects us from __________.

Explanation:
Ozone is a molecule made of three oxygen atoms, so it consists of three atoms of oxygen. Most of Earth's ozone is found in the stratosphere, where it forms the ozone layer that absorbs and reduces the amount of sun’s ultraviolet radiation reaching the surface. That protective role is what this question is getting at: the substance is O3, located mainly in the stratosphere, and it shields us from ultraviolet rays. The other options mix up the number of oxygen atoms (two would be O2, one would be O) or place ozone in the wrong atmospheric layer and reference the wrong type of radiation for its shielding role.

Ozone is a molecule made of three oxygen atoms, so it consists of three atoms of oxygen. Most of Earth's ozone is found in the stratosphere, where it forms the ozone layer that absorbs and reduces the amount of sun’s ultraviolet radiation reaching the surface. That protective role is what this question is getting at: the substance is O3, located mainly in the stratosphere, and it shields us from ultraviolet rays. The other options mix up the number of oxygen atoms (two would be O2, one would be O) or place ozone in the wrong atmospheric layer and reference the wrong type of radiation for its shielding role.

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