Question

Define OCCURRENCE OF HYDROGEN:-
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GOOD MORNING!!
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Yes!!
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Answer 1

Answer:

Good afternoon

mercury weighs more than water.would you expect the pressure extered by water by the same amount of mercury

Answer 2

Answer:

Although hydrogen is the most abundant element in the universe (three times as abundant as helium, the next most widely occurring element), it makes up only about 0.14 percent of Earth's crust by weight. It occurs, however, in vast quantities as part of the water in oceans, ice packs, rivers, lakes, and the atmosphere.

Explanation:

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