10 Questions
What is the purpose of the ozone layer?
The ozone layer acts as a barrier between Earth and ultraviolet radiation from the Sun, absorbing about 98% of damaging ultraviolet or UV light.
What has caused the ozone layer to thin?
Pollution, specifically chemicals called chlorofluorocarbons or CFCs, are the primary culprits in ozone layer breakdown.
Which layer of Earth's atmosphere contains the ozone layer?
The second layer, called the stratosphere, contains the ozone layer.
What is ozone and how is it composed?
Ozone is a highly reactive molecule that contains three oxygen atoms.
What is the role of ozone in Earth's atmosphere?
Ozone acts as Earth's sunscreen, absorbing about 98% of damaging ultraviolet or UV light.
At which altitude above Earth's surface is the ozone layer located?
The ozone layer is located 15 to 35 kilometers above Earth's surface.
What role does the ozone layer play for the Earth?
The ozone layer acts as a barrier between Earth and ultraviolet radiation from the Sun, absorbing about 98% of damaging UV light.
What are CFCs and how do they affect the ozone layer?
CFCs, or chlorofluorocarbons, are chemicals that contain carbon, chlorine, and fluorine, and they are the primary culprits in ozone layer breakdown.
What is the composition of an ozone molecule?
An ozone molecule is made up of three oxygen atoms.
How prevalent is ozone in the Earth's atmosphere?
Ozone is a trace gas in the atmosphere, with only about three molecules for every 10 million molecules of air.
Test your knowledge of Earth's atmosphere and the crucial role of the ozone layer in protecting the planet from harmful ultraviolet radiation. Learn about the composition and functions of the atmosphere's layers in this informative quiz.
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