Radon is particularly prevalent in which rock type?

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Multiple Choice

Radon is particularly prevalent in which rock type?

Explanation:
Radon exposure varies with how much uranium is in the rock and soil, because radon is a gas produced from uranium decay. Granite often contains higher uranium concentrations than other common rocks, so it tends to emit more radon. That’s why homes in granite-rich areas—especially with basements or tight foundations—can have higher radon potential. Marble and limestone are carbonate rocks with lower uranium content, and basalt generally has less uranium than granite, so they produce less radon on average. In short, granite is the rock type most closely linked to higher radon prevalence.

Radon exposure varies with how much uranium is in the rock and soil, because radon is a gas produced from uranium decay. Granite often contains higher uranium concentrations than other common rocks, so it tends to emit more radon. That’s why homes in granite-rich areas—especially with basements or tight foundations—can have higher radon potential. Marble and limestone are carbonate rocks with lower uranium content, and basalt generally has less uranium than granite, so they produce less radon on average. In short, granite is the rock type most closely linked to higher radon prevalence.

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