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
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
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