In humans, the maintenance of a warm, stable body temperature around 37 degrees Celsius is

A. the result of feedback regulation of blood pH.
B. related to the function of melatonin.
C. an example of homeostasis.
D. a result of fMRI.


Answer: C

Environmental & Atmospheric Sciences

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Population growth caused by mining booms in the Intermontane resulted in populations that ________

Fill in the blank(s) with correct word

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An interval of geologic time not represented by strata in a particular area is a(n) ____________________

Fill in the blank(s) with correct word

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The continuing addition of large amounts of nitrogen and phosphorus to aquatic ecosystems may exceed planetary boundaries and create a "tipping point" in which

A) nitrogen and phosphorus are depleted from soils. B) high nitrogen and phosphorus levels cause aquatic ecosystems to change in ways difficult to reverse and that are damaging to human food production. C) these ecosystems produce far more human food than ever before. D) water is lost from these systems, and they become deserts.

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Airborne pyroclasts have their finest grains settle down from the atmosphere first, closest to the volcano, followed by progressively coarser material at greater distances away.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences