The Paleoproterozoic Buildup of Atmospheric Oxygen Resulted in

question 20

Multiple Choice

The Paleoproterozoic buildup of atmospheric oxygen resulted in

• A) resumed deposition of banded-iron formations.
• B) deposition of limestones with isotopically heavy carbon.
• C) oxidation of vast amounts of organic carbon.
• D) climatic change that brought on "snowball Earth."

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Definitions:

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Graphical representations used in microeconomics to show combinations of two goods that provide the same level of utility to a consumer.

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