Question

What is the principal source of uranium

Answer 1

Explanation:

Uranium occurs in most rocks in concentrations of 2 to 4 parts per million and is as common in the Earth's crust as tin, tungsten and molybdenum. Uranium occurs in seawater, and can be recovered from the oceans. Uranium was discovered in 1789 by Martin Klaproth, a German chemist, in the mineral called pitchblende.

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Answer 2

Answer:

UO2 is the principal sources of uranium