The Banded Iron Formations Began to Form When

question 67

Multiple Choice

The banded iron formations began to form when

• A)carbon dioxide dissolved in seawater.
• B)varying oxygen levels allowed the precipitation of alternating layers of iron oxide.
• C)oxide minerals were deposited on the ocean bottom.
• D)iron from lava flows settled into layered formations.

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Definitions:

Simplest Approach

The method or solution that involves the least complexity or fewest steps to address a problem or task.

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Learning Curve

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