The aurora borealis is caused by the _______, which is a part of the thermosphere.
The aurora borealis is caused by the _______, which is a part of the thermosphere.
Why does the thermosphere have the highest temperature of all the atmosphere layers?
The aurora borealis is caused by the _______, which is a part of the thermosphere.
Which layer of the atmosphere holds the ozone layer?
Starting billions of years ago, in what way did algae change the atmosphere of Earth?
The two gases that makes up the majority (99%) of our atmosphere are ______. Select the two that apply.
In which atmosphere layer do humans live most of their lives?
Most meteors burn up in the _______, even though it's the coldest layer.
After the troposphere, which layer of the atmosphere has the next highest temperature?
An increase in skin cancer can be traced to a decrease in atmospheric _____.
The atmosphere is held together by ______.
What are 3 key vocabulary terms?
What are 2 things you learned?
What is 1 question you have?