Scientists estimate that about ________ percent of the earth's water is available for human use.

A. 12.0
B. 1.0
C. 0.014
D. 25.0


Answer: C

Health & Biomechanics

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The hollow, muscular organ that stores urine is the ________.

Fill in the blank(s) with the appropriate word(s).

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What is the meaning of the word root leuk/o??

A) white B) bile C) polyp D) gall

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Human papillomavirus causes

A) herpes. B) genital warts. C) AIDS. D) syphilis.

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Which of the following is considered a bloodborne pathogen?

A. Hepatitis B virus B. Hepatitis D virus C. Hepatitis A virus D. Hepatitis E virus

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