Which Statement About Ozone and the Ozone Layer Is True

question 2

Multiple Choice

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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Definitions:

Magnetism

A property of materials that causes them to attract or repel other materials based on the presence of a magnetic field.

Specific Gravity

The proportion between the density of a material and the density of a reference material, usually water, given a certain temperature.

Specific Gravity

The ratio of the density of a substance to the density of a reference substance, typically water for liquids and solids, or air for gases.

Rock

A naturally occurring solid aggregate of minerals or mineraloid matter.