Why was the atmosphere of the Earth formed?

Answer 1

To support life! The atmosphere was formed by accident, just by the process of Earths creation.

The atmosphere was formed back during Earths creation! When the Earth first formed there was a mix of gases and solids, and no atmosphere! The surface of Earth was really hot and molten. But as it cooled the atmosphere was formed through the gases spewed our of volcanoes.

These gases were hydrogen sulfide, methane, and a whole bunch of carbon dioxide (way more than whats in our atmosphere today). After about 500 million years, Earth cooled down and solidified enough for water to collect on it.

And voila, the atmosphere had formed! Under just perfect conditions for life to form :)

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Answer 2

Olivia Aldridge

The Earth's atmosphere was created by the release of gases from the Earth's interior during volcanic eruptions. Over time, comets and asteroids collided with the atmosphere, changing its composition again.

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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.