atmosphere

Earth's atmosphere is mostly made up of which 2 gases? CHOOSE 2!!!!!!

• nitrogen

• oxygen

• ozone

• water vapor

Which pie chart correctly shows the percentages of elements in the air?

• a
• b
• c
• d

Most clouds appear here, mainly because 99% of the water vapor in the atmosphere is found in the

• mesosphere

• stratosphere

• thermosphere

• troposphere

Which layer of Earth's atmosphere contains the ozone layer, an important layer that helps protect life on Earth from UV radiation

• exosphere

• mesosphere

• stratosphere

• troposphere

For the Earth's atmosphere, section number two in the pie graph BEST represents the percentage of

• argon

• carbon dioxide

• oxygen

• nitrogen

The circle graph represents the gases in our atmosphere. What gas is represented by the green section in the circle?

• ozone

• hydrogen

• nitrogen

• carbon monoxide

In which layer of the atmosphere would you find the top of Mount Everest?

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

The layer of the atmosphere containing our weather is

• thermosphere
• stratosphere
• troposphere
• mesosphere

What is the function of the ozone layer?

• to allow UV rays to get to Earth
• to block UV rays from getting to Earth
• To keep oxygen in
• to allow meteors to get to Earth

Our _________ is the layer of gases that surrounds our planet.

• ocean
• weather
• atmosphere
• ozone