Which Statement About Ozone and the Ozone Layer Is True

Which statement about ozone and the ozone layer is true

A) Ozone is found in a band of almost pure ozone several kilometers thick encircling the Earth.
B) The ozone in the ozone layer absorbs UV light between 200 and 300 nm.
C) Ozone is a compound with the chemical formula CO₂.
D) In the Earth's atmosphere, ozone exists only in the ozone layer.
E) Ozone is used as a coolant in refrigerators and air conditioners.

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