Question

why are the hydrogen are present on large ammount on earth​

Answer 1

Answer:

Because hydrogen gas is so light, most of it escaped from the lower atmosphere early in the Earth's history. But hydrogen is abundant on Earth in compound form, that is, in more complex molecules where hydrogen has combined with other atoms.

Answer 2

Because hydrogen gas is so light, most of it escaped from the lower atmosphere early in the Earth's history. But hydrogen is abundant on Earth in compound form, that is, in more complex molecules where hydrogen has combined with other atoms.