Which of these men formulated the Law of Universal Gravitation?
A) Galileo
B) Sir Isaac Newton
C) Johannes Kepler
D) Nicolaus Copernicus
E) Tycho Brahe
B
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Tar sand processing requires large amounts of ________and also requires preliminary forest _______________
a. water, thinning b. electricity, clear cutting c. fossil fuels, thinning d. fossil fuels, controlled burning e. water, clear cutting
Snow results from all of the following processes, except:
A) riming. B) deposition. C) coalescence. D) aggregation.
The recovery of acidic lakes in the northeastern United States and eastern Canada is largely the result of
A) the buffering effects of the granite rock in these regions. B) the widespread addition of limestone to the lakes in these regions. C) the elimination of lead from gasoline sold in North America. D) reductions in sulfur dioxide and nitrogen oxide pollution.
What kind of ancient environment is indicated by coal?
A. A stream B. A swamp C. A desert D. A beach