Which gases were formed first after the expan | vedclass

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(C) According to the Big Bang theory,the universe expanded and cooled down. During the early stages of the universe,the simplest and most abundant ele

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$H_{2}, He$

Vedclass · Answer

(C) According to the Big Bang theory,the universe expanded and cooled down. During the early stages of the universe,the simplest and most abundant elements were formed through primordial nucleosynthesis. The first gases to be formed were primarily $H_{2}$ (Hydrogen) and $He$ (Helium). These elements provided the raw material for the formation of stars and galaxies.

Which gases were formed first after the expansion of the universe?

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