GMAT Critical Reasoning
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Source: OG
Level: 3
Wood smoke contains dangerous toxins that cause changes in human cells. Because wood smoke presents such a high health risk, legislation is needed to regulate the use of open-air fires and wood-burning stoves.
Which of the following, if true, provides the most support for the argument above?
- A The amount of dangerous toxins contained in wood smoke is much less than the amount contained in an equal volume of automobile exhaust.
- B Within the jurisdiction covered by the proposed legislation, most heating and cooking is done with oil or natural gas.
- C Smoke produced by coal-burning stoves is significantly more toxic than smoke from woodburning stoves.
- D No significant beneficial effect on air quality would result if open-air fires were banned within the jurisdiction covered by the proposed legislation.
- E In valleys where wood is used as the primary heating fuel, the concentration of smoke results in poor air quality.