15 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
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
Identify this diagram
The ozone layer
The greenhouse effect
The troposphere