The Lack of Oxygen in the Ancient Earth's Atmosphere Was

question 31

True/False

The lack of oxygen in the ancient Earth's atmosphere was beneficial because oxygen combines with organic molecules to prevent them from forming polymers.

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Definitions:

Clean Water Act

U.S. federal legislation aimed at reducing pollution and improving water quality in lakes, rivers, and streams.

Untreated Wastewater

Water that has been used in homes, industries, and businesses that has not undergone any cleaning or purification process.

Environmental Impact Statement

A document prepared to describe the effects for proposed activities on the environment.

Federal Permit

An authorization given by a federal agency allowing the permit holder to conduct certain activities that are regulated at the national level.