Of all the toxic chemicals in tobacco smoke, ________ is 800 times higher than the level considered to be safe by the U.S. Environmental Protection Agency.

Name: Of all the toxic chemicals in tobacco smoke, ________ is 800 times higher than the level considered to be safe by the U.S. Environmental Protection Agency.
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Question

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Carbon monoxide levels in tobacco smoke are significantly higher than the safe levels set by the U.S. Environmental Protection Agency, making it a major toxic component of cigarette smoke.

Of All the Toxic Chemicals in Tobacco Smoke, ________ Is