The Ozone Layer and Earth's Atmosphere Quiz

The ozone layer acts as a barrier between Earth and ultraviolet radiation from the Sun, absorbing about 98% of damaging ultraviolet or UV light.

Pollution, specifically chemicals called chlorofluorocarbons or CFCs, are the primary culprits in ozone layer breakdown.

The second layer, called the stratosphere, contains the ozone layer.

<p>Ozone is a highly reactive molecule that contains three oxygen atoms.</p> Signup and view all the answers

<p>Ozone acts as Earth's sunscreen, absorbing about 98% of damaging ultraviolet or UV light.</p> Signup and view all the answers

<p>The ozone layer is located 15 to 35 kilometers above Earth's surface.</p> Signup and view all the answers

<p>The ozone layer acts as a barrier between Earth and ultraviolet radiation from the Sun, absorbing about 98% of damaging UV light.</p> Signup and view all the answers

<p>CFCs, or chlorofluorocarbons, are chemicals that contain carbon, chlorine, and fluorine, and they are the primary culprits in ozone layer breakdown.</p> Signup and view all the answers

<p>An ozone molecule is made up of three oxygen atoms.</p> Signup and view all the answers

<p>Ozone is a trace gas in the atmosphere, with only about three molecules for every 10 million molecules of air.</p> Signup and view all the answers