What created earth's atmosphere?

Answer 1

When the Earth formed, gases were trapped beneath the crust of the Earth. Since lava flowed on the crust and Earth was hellish, volcanoes erupted. These volcanoes erupted so much and released the gases, thus creating the atmosphere.

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Answer 2

Claire Anctil

Earth's early atmosphere was formed by a process known as outgassing, which was mostly caused by volcanic activity. This process released gases from the Earth's interior, including carbon dioxide, water vapor, nitrogen, and methane. These gases formed the early atmosphere over time as the Earth cooled and evolved. Moreover, gases from comets and asteroids bombarding the planet during its formation were also contributed to the atmosphere.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.