Environmental

Radon gas in Maryland homes is a concern because:

AIt causes immediate respiratory distress
BIt is a colorless, odorless radioactive gas that can accumulate in homes and cause lung cancer✓ Correct
CIt contaminates drinking water supplies
DIt accelerates mold growth

Explanation

Radon is a naturally occurring radioactive gas that seeps from soil into buildings and is the second leading cause of lung cancer in the U.S.

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