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Was Oxygen a Part of Earth's Early Atmosphere? Explain How

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Essay

Was oxygen a part of Earth's early atmosphere? Explain how today's atmosphere evolved to support life.


Definitions:

Subduction Zones

Areas where one tectonic plate is being forced down into the mantle by another plate, often associated with volcanic activity and earthquakes.

Decompression Melting

The process where rock melts due to a decrease in pressure as it rises closer to the Earth's surface, without an increase in temperature.

Melting Point

The temperature at which a solid substance turns into a liquid under standard atmospheric pressure.

Oceanic Divergent Boundaries

Boundaries between tectonic plates that are moving away from each other, often resulting in the formation of new oceanic crust through volcanic activity.

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