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, ...
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 ...
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 ...
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 ...