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Describes the composition of the Earth's core.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
If people suddenly disappeared, very soon the planet would not resemble what it's like now. It also would not resemble what it was like before humans spread widely across the world.
It is an educationa ...
An overview of the distribution of water on Earth.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
An overview of the distribution of water on Earth.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Using a compass to determine direction.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Describes the Coriolis effect.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Describes the Coriolis effect.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How Earth's climate has changed in the past.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How Earth's climate has changed in the past.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Atmospheric carbon dioxide levels reach 400 ppm and no one knows what the outcome of this experiment will be.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you ...
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