Evidence for Microbial Life on Earth Dates Back to ________

question 42

Multiple Choice

Evidence for microbial life on Earth dates back to ________ ago.

• A) 14 gigayears
• B) 5 gigayears
• C) 3.48 gigayears
• D) 1.5 gigayears
• E) 500 megayears

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Definitions:

Economically Inefficient

A situation where resources are not allocated optimally, leading to waste or the inability to maximize value or output.

Nonrivalry

The idea that one person’s benefit from a certain good does not reduce the benefit available to others; a characteristic of a public good.

Consumption

The use of goods and services by households, often considered a primary economic indicator.

Rivals

Competitors within a market, vying for the same customers or resources in an effort to achieve economic or strategic advantages.