PrepTest 29, Section 3, Question 1
Combustion of gasoline in automobile engines produces benzene, a known carcinogen. Environmentalists propose replacing gasoline with methanol, which does not produce significant quantities of benzene when burned. However, combustion of methanol produces formaldehyde, also a known carcinogen. Therefore the environmentalists' proposal has little merit.
Combustion of gasoline in automobile engines produces benzene, a known carcinogen. Environmentalists propose replacing gasoline with methanol, which does not produce significant quantities of benzene when burned. However, combustion of methanol produces formaldehyde, also a known carcinogen. Therefore the environmentalists' proposal has little merit.
Combustion of gasoline in automobile engines produces benzene, a known carcinogen. Environmentalists propose replacing gasoline with methanol, which does not produce significant quantities of benzene when burned. However, combustion of methanol produces formaldehyde, also a known carcinogen. Therefore the environmentalists' proposal has little merit.
Combustion of gasoline in automobile engines produces benzene, a known carcinogen. Environmentalists propose replacing gasoline with methanol, which does not produce significant quantities of benzene when burned. However, combustion of methanol produces formaldehyde, also a known carcinogen. Therefore the environmentalists' proposal has little merit.
Which one of the following, if true, most supports the environmentalists' proposal?
The engines of some automobiles now on the road burn diesel fuel rather than gasoline.
Several large research efforts are under way to formulate cleaner-burning types of gasoline.
In some regions, the local economy is largely dependent on industries devoted to the production and distribution of automobile fuel.
Formaldehyde is a less potent carcinogen than benzene.
Since methanol is water soluble, methanol spills are more damaging to the environment than gasoline spills.
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