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- Multiple ChoicePlease save your changes before editing any questions.
78% of the Earth's atmosphere is ___________ and 21% of the Earth's atmosphere is _____________.
Oxygen, Nitrogen
Nitrogen, Oxygen
Nitrogen, Carbon Dioxide
Oxygen, Carbon Dioxide
- Multiple ChoicePlease save your changes before editing any questions.
In what layer of the atmosphere do all weather events occur?
Stratosphere
Exosphere
Mesosphere
Troposphere
- Multiple ChoicePlease save your changes before editing any questions.
In the troposphere, the temperature _____ as altitude increases.
Increases
Decreases
Stays the same
Goes up and down
- Multiple ChoicePlease save your changes before editing any questions.
As altitude increases, air pressure....
Increases
Decreases
Stays the same
Goes up and down
- Multiple ChoicePlease save your changes before editing any questions.
The ozone layer is a sublayer of the ________ layer.
Troposphere
Stratosphere
Exosphere
Mesosphere
- Multiple ChoicePlease save your changes before editing any questions.
Why is the ozone layer vital to life on Earth?
Planes fly in the ozone layer
It is made up of oxygen (O2)
It shields the Earth from ultraviolet (UV) rays from the sun
It causes clouds to be created
- Multiple ChoicePlease save your changes before editing any questions.
In which layer of the atmosphere do meteors burn up?
Troposphere
Mesosphere
Thermosphere
Exosphere
- Multiple ChoicePlease save your changes before editing any questions.
This layer is the hottest layer of the atmosphere?
Troposphere
Stratosphere
Mesosphere
Thermosphere
- Multiple ChoicePlease save your changes before editing any questions.
What is the order of the layers of the atmosphere, starting with the layer closest to Earth's surface?
Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere
Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
Troposphere, Stratosphere, Mesosphere, Exosphere, Thermosphere
Troposphere, Stratosphere, Thermosphere, Exosphere, Mesosphere
- Multiple ChoicePlease save your changes before editing any questions.
What layer of the atmosphere has the highest air pressure?
Troposphere
Stratosphere
Exosphere
Mesosphere
- Multiple ChoicePlease save your changes before editing any questions.
Which explanation correctly describes the greenhouse effect?
The process of the atmosphere keeping the Earth's surface dense
The process of the atmosphere trapping the sun's radiation, and making the Earth warm and livable for humans
The process of the atmosphere keep us from floating into space
The process of the atmosphere reflecting all of the Sun's heat back into space