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The use CFCs and other ozone depleting chemicals has been reduced. The ozone hole is starting to recover and may be healed by 2070.
It is an educational content of CK-12 Foundation (to access some of t ...
Describes how the ozone hole forms, what are its effects.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Describes how the ozone hole forms and what are its effects.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Describes issues caused by increased population growth.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How human population has grown, some consume a tremendous amount of resources and produce a lot of waste.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must ...
Learn about those most fearsome of storms, tornadoes.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Identify the outer layers of the Sun.
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Hipervinculo Ciencias de la Tierra y Medioambiente
How valuable minerals and metals are found and determined to be profitable.
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Fantastic images of Earth from space are created from instruments on spacecraft. These images can affect how humans perceive their planet.
It is an educational content of CK-12 Foundation (to access so ...
Hipervinculo Ciencias de la Tierra y Medioambiente
Describes how oil spills occur and how they can be cleaned up.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
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