Unit 7 Quizizz

Second layer of the atmosphere, extending about 17-48 kilometers above the earth’s surface. It contains a layer of gaseous ozone, which filters out about 95% of the incoming harmful ultraviolet radiation emitted by the sun

• Mesosphere
• Troposphere
• Stratosphere
• Ozone

Which agreement allowed for a reduction, and eventual elimination, of CFC production and use?

• Montreal Protoccol
• Kyoto Protoccol
• Paris Agreement
• Yo MaMa

The gas that is most abundant in the atmosphere is

• oxygen
• nitrogen
• carbon dioxide
• argon

What absorbs ultraviolet rays in the atmosphere?

• troposphere
• stratosphere
• ozone layer
• greenhouse gases

Where is the ozone located?

• troposphere
• stratosphere
• mesosphere
• thermosphere

What chemical is responsible for breaking up the ozone?

• CFCs
• Carbon Dioxide
• Nitrogen
• Oxygen

Why does too much carbon dioxide in the atmosphere cause climate change?

• It cools down our planet.
• It blocks out UV rays.
• It traps heat and warms up our planet.
• It lets sunlight escape.

Which gas of the Earth's atmosphere is classified as a greenhouse gas?

• Nitrogen

• Carbon Dioxide

These are all important greenhouse gases.

• Oxygen, hydrogen and nitrogen
• Carbon dioxide, helium and clouds
• Carbon dioxide, water vapour and methane
• Methane, ethane and hydrogen

What happens to the temperature if more greenhouse gases are released into the atmosphere?

• Temperature goes up
• Temperature goes down