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The two types of air pollution.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
The Tuolumne River begins as meltwater from two glaciers, flows through Yosemite National Park, and is dammed at Hetch Hetchy Valley. From there the water is used for irrigation or municipal purposes.
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Hipervinculo Ciencias de la Tierra y Medioambiente
Covers how tsunamis occur.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Characteristics of the troposphere.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How scientists can determine age and other features of a rock or material it contains.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Covers transform plate boundaries on land and in the ocean.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Covers how one artist in Ohio is using streams damaged by mine waste as paints.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Find out what landfills are and how they can be made more efficient and environmentally sensitive.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be log ...
Hipervinculo Ciencias de la Tierra y Medioambiente
Describes how tornadoes form, their effects, and how they are measured.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Ciencias de la Tierra y Medioambiente
Describes the causes and features of tides.
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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