The high heat of vaporization of water helps you to feel cooler when you sweat because the transition of water from a liquid to a gas requires a ______ of energy to break hydrogen bonds. The energy is _____ from heat produced by your body, thus helping to lower the surface temperature of your body

A. release; released
B. release; obtained
C. input; obtained
D. input; released


C

Biology & Microbiology

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Which type of defense mechanism is not classified as the first line of defense?

a. Chemical barriers b. Skin c. Mechanical barriers d. Physical barriers e. Leukocytes

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Which is an example of a clumped distribution of a population?  

A.  A tree species releases a poison to defend the soil around its roots, resulting in trees spaced evenly like a grid. B.  Antelope travel in herds. C.  Two male hummingbirds have a confrontation on the border between their territories. D.  Multiple species join each other at the waterhole to drink.

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If you see a red leaf, what color(s) of light in the visible light spectrum is/are being reflected?

A) all colors B) all colors except red C) no colors D) red

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Briefly explain the process of natural selection

What will be an ideal response?

Biology & Microbiology