In Terms of Volume, Which of the Following Sedimentary Resources

question 17

Multiple Choice

In terms of volume, which of the following sedimentary resources is the most used in the United States?

• A) sand and gravel
• B) uranium
• C) salt
• D) diamonds

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Definitions:

(2S,4R)-4-ethylheptane-2-thiol

A chiral organic compound characterized by a specific three-dimensional configuration, including an ethyl and a thiol group on a heptane backbone.

(2R,4S)-4-ethylheptane-2-thiol

A specific stereoisomer of a compound featuring an ethyl group and a thiol group attached to a heptane chain.

(R)-3-methylpent-1-ene

A specific optical isomer of an organic compound with a branched five-carbon chain, featuring a double bond at the first carbon and a methyl group at the third position.

Reagents

Chemicals or ingredients introduced into a system to initiate a chemical reaction or to check for the presence of a reaction.