Multiply and Simplify. -

question 71

Multiple Choice

Multiply and simplify.
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Definitions:

Numeric Ages

The dating of geological or archaeological materials based on absolute dating methods, providing specific numbers of years.

Fossils

Preserved remains, impressions, or traces of once-living organisms from the distant past.

Cyanobacteria

Photosynthetic microorganisms found in water, sometimes referred to as "blue-green algae," important for their role in nitrogen fixation and oxygen production.

Oxygen-rich Atmosphere

An atmosphere that contains high levels of oxygen, typically associated with the development and sustenance of complex life forms on Earth.