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Which of the following element is most hazardous to humans?

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in Biology – Class 12 by (271k points)
Which of the following element is most hazardous to humans?

(a) Phosphorous

(b) Sulfur

(c) Carbon

(d) Uranium

The question was asked at a job interview.

My enquiry is from Environmental Issues in chapter Environmental Issues of Biology – Class 12

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The correct choice is (d) Uranium

For explanation: The most hazardous element among the following is uranium. It is a silvery-grey metal and its isotopes are highly unstable and radioactive. This is extremely harmful to humans and creates various disorders and can be fatal.

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