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Factors that affect the speed of a river include the slope gradient, the roughness of the channel, and tides.
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Answer:
In Earth's mantle, large amounts of heat are transferred by convection currents. Heat from the core and the mantle itself causes convection currents in the mantle. The hot rock eventually cools and sinks back through the mantle. Over and over, the cycle of rising and sinking takes place.
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Answer:
Ecological health concerns the relationship between ecosystems, ecosystem services, and human health.
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Answer:
Growing and Developing
Explanation:
Metabolism is the sum of the chemical reactions that take place within each cell of a living organism and that provide energy for vital processes and for synthesizing new organic material.
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