The First Eukaryotic Cells Probably Arose About ________ Billion Years

question 2

Multiple Choice

The first eukaryotic cells probably arose about ________ billion years ago.

• A)2.2
• B)2.5
• C)3.5
• D)4.5

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Definitions:

Public Transit

Transportation services provided by public or private organizations that are available for use by the general public, typically involving buses, trains, and subways.

CPI Base Year

The reference year used in the calculation of the Consumer Price Index, serving as a comparison point for future price changes.

Crude Oil

A natural, unrefined petroleum product composed of hydrocarbon deposits and other organic materials.

Price Difference

The variation in cost between two goods, services, or markets, often influenced by factors like quality, supply, and demand.