The earth rotates once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period, and its circumference is roughly 40,075 kilometers. Thus, the surface of the earth at the equator moves at a speed of 460 meters per second--or roughly 1,000 miles per hour.
Answer:
Steady state
Explanation:
Steady-state refers to the nonequilibrium state of any system. The system in the steady-state exhibits flow of matter and maintains a constant concentration of all the components.
Given that the system under study maintains the variable constant, the system is in steady-state. To maintain the variable constant, the system in the steady-state spends energy.
For example, the blood glucose level remains nearly constant since the rate of its synthesis and consumption balances each other. These metabolic processes require input of energy.
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The ways in which an element—or compound such as water—moves between its various living and nonliving forms and locations in the biosphere is called a biogeochemical cycle. Biogeochemical cycles important to living organisms include the water, carbon, nitrogen, phosphorus, and sulfur cycles.
Answer:
Geographic Isolation
Explanation:
Invloves mountain, rivers,lake,seas,dense forest and or any other obstacle that bar crossing.