What is synthesis gas?
a. synthetic gasoline
b. a hybrid form of gasoline made from mixed ingredients
c. methane gas made from coal
d. propane
e. butane
C
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Which of the following is true of agricultural land in North America?
A) Today, agricultural land continues to increase B) Today, agricultural land continues to decrease C) Today, growing forests are being replaced by agricultural land D) Food production continues to decrease in the last 50 years E) Most of the wheat and oats used on this continent is imported from Europe
The chemical weathering process that produces most of the red, yellow, and brown colors seen in soils
and many sedimentary rocks is called ___________________ Fill in the blank(s) with the appropriate word(s).
We can all help sustain terrestrial biodiversity through various measures. Which of the following methods is least effective in sustaining biodiversity?
A. Plant trees and take care of them. B. Recycle paper and use recycled products. C. Buy sustainable wood and wood products. D. Help restore nearby degraded forests or grasslands. E. Eliminate local plants from your household garden.
Within the United States, which area has the highest earthquake hazards?
A) West Coast B) East Coast C) Mid-continent. D) Gulf Coast