Much of the Northern Hemisphere was covered in ice 20,000 years ago

Indicate whether the statement is true or false.


Answer: TRUE

Environmental & Atmospheric Sciences

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A balloon charged to several thousand volts normally has a relatively small amount of

A. energy. B. charge. C. both of these D. none of the above

Environmental & Atmospheric Sciences

What are the two most abundant elements in Earth’s crust?

a. oxygen and aluminum. b. quartz and feldspar. c. silicates and carbonates d. silicon and oxygen.

Environmental & Atmospheric Sciences

What is not a direct or an indirect result of glaciation?

A)uplift B)change in sea level C)proglacial lakes D)plate motion E)pluvial lakes

Environmental & Atmospheric Sciences

Sub-Saharan Africa and South Asia have some of the world's literacy rates averaging ________ percent

A) below 40 B) below 50 C) below 60 D) below 70 E) below 20

Environmental & Atmospheric Sciences