The Sequence of Eras Beginning with the Earliest Era and Proceeding

question 34

Multiple Choice

The sequence of eras beginning with the earliest era and proceeding forward to the most recent era in the geologic time scale is

• A)Archean - Mesozoic - Cenozoic.
• B)Cenozoic - Archean - Mesozoic.
• C)Archean - Paleozoic - ProterozoiC.
• D)Mesozoic - Cenozoic - Paleozoic.
• E)Paleozoic - Mesozoic - Cenozoic.

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Definitions:

Cyclohexanone

An organic compound with the formula (CH2)5CO, characterized by a six-carbon ring with a ketone functional group.

Benzophenone

An organic compound with the formula (C6H5)2CO, commonly used in organic chemistry as a photoinitiator.

Diethyl Ether

An organic compound commonly used as a solvent, characterized by an oxygen atom connecting two ethyl groups.

1-Butanol

A primary alcohol with the chemical formula C4H9OH, characterized by a four-carbon straight chain terminating in a hydroxyl group.