Which substance would be considered a renewable resource?

A. copper
B. oil
C. clean air
D. salt
E. sand


Answer: C

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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The most likely time for an ordinary thunderstorm to form is?

a. ?just after sunrise. b. ?just before sunrise. c. ?around midnight. d. ?late afternoon. e. ?at noon.

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__ are examples of naturally occurring biological hazards

a. viruses and salmonella b. carbon dioxide and nitrogen gas c. crude oil seeps and radon gas d. DDT and DDE

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