The first atmosphere that formed above Earth was most likely due to input from what process? A. Convection in the atmosphere would stop B. Banded iron formations would occur again

C. The tilt of the Earth would decrease

D. There would be no effect on Earth

A eruption of volcanoes

Explanation:

Scientists predict that this event occurred around 4.5 billion ago, so it is hard to collect enough data to make the verdict with 100% conviction. But they believe that Volcanic activity might play a role in the formation of the atmosphere.

Every time volcanoes erupted, they omitted a composition of gasses that consisted mainly of water vapor, carbon dioxide,  Sulfur, Nitrogen, and Hydrogen. Over the time, this eruption slowly created layers on top of the earth that caused the early formation of the Earth's atmosphere.

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