Limestone is composed almost entirely of calcite which has the chemical formula CaCO3. As a result, limestone is classified as ________

A) a mineral
B) a rock
C) both a mineral and a rock
D) neither a mineral nor a rock because it is organic


B

Environmental & Atmospheric Sciences

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The Saffir-Simpson scale ranks wind velocity and central air pressure from

A) storm surges. B) tornadoes. C) hurricanes. D) tropical depressions. E) wave cyclones.

Environmental & Atmospheric Sciences

Where is the water level in a well drilled into a confined aquifer?

A. Below the water table B. Above the top of the confined aquifer C. At the same level as the water table D. No way to predict

Environmental & Atmospheric Sciences

Substance(s) that qualify to be called particulate air pollutants include

A. carbon dioxide. B. ozone. C. nitrogen oxides. D. smoke.

Environmental & Atmospheric Sciences

If you travel west through 10° of longitude along the equator, the distance traveled will be very different from the distance traveled through 10° of longitude at 60° N. Why?

What will be an ideal response?

Environmental & Atmospheric Sciences