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How important scientific facts were discovered using simple tools.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Coal is the most common fuel source to produce electricity. Coal plants convert the chemical energy in coal to the mechanical energy in steam pushing a turbine and then to electricity.
It is an educati ...
How water heated by magma may emerge as a hot spring or geyser.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How water heated by magma may emerge as a hot spring or geyser.
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
Reviews the evidence that Earth was once molten and where heat comes from today.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Learn about how in other solar systems, planets like our own planet Jupiter orbit so close to their star that they are scorching hot and why our Jupiter is much further from the sun.
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Hoodoos are spires of soft rock capped with an erosion-resistant rock found in arid regions.
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Patterns of biological evolution during the Paleozoic Era.
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Patterns of biological evolution during the Paleozoic Era.
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 life of the Mesozoic Era.
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