During the Evolution of Earth's Atmosphere, When Enough Oxygen Had

question 38

Short Answer

During the evolution of Earth's atmosphere, when enough oxygen had accumulated in seawater, iron-rich minerals precipitated on the sea floor and became the ____________________ formations that are mined for iron today.

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Definitions:

Vivid

Describes something strikingly bright or intense, either visually or in imagination, making it seem alive or realistically detailed.

Awareness

The state of being conscious of something, including the self, one's surroundings, or a particular concept.

External Events

Occurrences or situations originating outside an individual or system that can have significant effects on behavior or outcomes.

Internal Sensations

The perception of bodily functions, including pain, hunger, thirst, and the internal states of the body.