Respuesta :

InkStained
The fourth most abundant element in the universe in terms of mass would be Carbon.

The first is Hydrogen, the second is Helium, and the third is oxygen.
Billymkhoi
The fourth most abundant element in terms of mass is Carbon.

The first, second, and third most abundant element in terms of mass are Hydrogen, Helium, and Oxygen, respectively.

Hope this helps~

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