The production of chloromethane by the reaction of methane gas with chlorine gas is an example of which type of reaction?
A) oxidation
B) reduction
C) substitution
D) combustion
C
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If a surface absorbs insolation
A) its temperature increases. B) diffuse radiation occurs. C) its temperature is unaffected. D) its temperature decreases. E) refraction occurs.
Volcanic rocks, mostly ________, accumulate near a convergent plate boundary.
A. granites B. shales C. sandstones D. marbles E. andesites
Many services considered nontradable, even in the late 1990s, are now actively exchanged at long distance.
Answer the following statement true (T) or false (F)
Which of the following statements is false?
a. Market prices clearly reflect dwindling mineral supplies. b. High prices would encourage recycling and reuse. c. Low mineral prices are caused by failure to include the external costs of mining. d. Low prices encourage waste and faster depletion. e. Two of these choices are false.