What percentage of the Earth's land surface is currently covered by glacial ice?

A) 2%
B) 10%
C) 15%
D) 33%


Answer: B

Environmental & Atmospheric Sciences

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Withdrawing massive amounts of groundwater can cause a condition called____________ ______________

Fill in the blanks with correct word

Environmental & Atmospheric Sciences

Although all biological molecules are important, which type of molecule is considered the most important?

A) amino acids B) carbohydrates C) lipids D) proteins

Environmental & Atmospheric Sciences

This is most prominent in summer:

A) Aleutian low. B) Icelandic low. C) Hawaiian high. D) Siberian high.

Environmental & Atmospheric Sciences

What type of volcano is Mount Rainier?

A. caldera B. shield C. scoria cone D. composite

Environmental & Atmospheric Sciences