The highest concentration of _______ was found in Hartley coal ash.

Lead

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Germanium

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Antimony

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carbon

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Solution

The correct option is B Germanium
The highest concentration ever found was in Hartley coal ash with as much as 1.6% germanium.

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The highest concentration of _______ was found in Hartley coal ash.

The correct option is B GermaniumThe highest concentration ever found was in Hartley coal ash with as much as 1.6% germanium.

The correct option is B Germanium
The highest concentration ever found was in Hartley coal ash with as much as 1.6% germanium.