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Geographic changes are changes in the earth's landscape such as the drying up of rivers or changes in plant growth. Geographic changes usually happen over great lengths of time. Factors contributing t ...
Hipervinculo Física
The earth’s climate produces large scales difference in temperature and salinity in the oceans.Water circulation patterns in the ocean are driven by temperature and salinity differences, which transla ...
Earth is estimated to be 4.6 billion years old and ever-changing. Scientists have organized Earth’s history into geologic time periods. These time periods include the Precambrian, Paleozoic, Mesozoic, ...
Soil temperature varies from one month to the next depending upon such factors as solar radiation, rainfall, seasonal swings in overhead air temperature, plant cover, soil type, and depth in the earth ...
Hipervinculo Biología
Amphibian populations are in global decline. Because the skin of amphibians like frogs, toads and salamanders is extremely sensitive to environmental changes, there has been much speculation that the ...
Carbon dioxide is a greenhouse gas. Because carbon dioxide concentrations in the atmosphere have been increasing rapidly since the Industrial Revolution, the gas is of primary concern to the of globa ...
Hipervinculo Física
Learn how scientists use the intermediate value theorem to help make predictions about the effects of rising carbon dioxide levels.
It is an educational content of CK-12 Foundation (to access some of t ...
Hipervinculo Ciencias de la Tierra y Medioambiente
When conditions in the Pacific Ocean are ENSO-neutral, the jet stream is not constrained and strange weather ensues. Bare ground in the Western mountains and blizzards in the South are possible.
It is ...
Hipervinculo Ciencias de la Tierra y Medioambiente
Looks at the theories of evolution, plate tectonics, and global warming.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Learn some of the facts surrounding climate change: what causes it and what can help to reduce it.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be log ...
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