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ASVAB · Question #701
ASVAB Question #701: Real Exam Question with Answer & Explanation
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Question
Some pollutants that render air unsafe to breathe cannot be seen or smelted. Nitric oxide, carbon monoxide, and radon gas are examples. Other pollutants, such as formaldehyde, can be smelted at high levels only, but are still unsafe to breathe even at lower levels. You can conclude from the paragraph that formaldehyde:
Options
- Ais safer to breathe than nitric oxide.
- Bcan never be seen or smelted.
- Ccannot be smelted at lower levels.
- Dis not one of the pollutants that renders air unsafe to breathe.
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