Biomass energy is energy contained in ________
A) the Earth's heat
B) firewood and other plant material.
C) the sun
D) wind
E) water
B
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Which of the following statements about catalysts is NOT true?
A. A catalyst alters the rate of a chemical reaction. B. A catalyst can be consumed in a reaction as long as it is regenerated. C. A catalyst does not change the energy of the reactants or the products. D. A catalyst can be used to speed up slow reactions. E. All of the above are true.
Expansive soils typically present minor, localized problems
Indicate whether the statement is true or false
At the beginning of each World War, the U.S. was reluctant to become involved and practiced the policy of __________
Fill in the blank(s) with correct word
Which of the following is not true of peridotite?
A) It is denser than basaltic rocks. B) It is composed almost entirely of olivine and pyroxene. C) It is the main constituent of the Earth's crust. D) It is rarely found at the Earth's surface.