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Ozone in the ___ is essential as it protects the Earth's surface from UV radiation, but ozone in the____ is a human-made air pollutant that contributes to global warming.
troposphere; stratosphere
stratosphere; troposphere
troposphere; thermosphere
mesosphere; stratosphere

Respuesta :

clicker786

Answer:

stratosphere; troposphere

Explanation:

Fill in the blanks

Ozone in the stratosphere is essential as it protects the Earth's surface from UV radiation, but ozone in the troposphere is a human-made air pollutant that contributes to global warming.

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