Which of the Following Is Correct Regarding Loess Deposits

question 89

Multiple Choice

Which of the following is correct regarding loess deposits?

• A) They are principally composed of sands and gravels.
• B) They are formed of fine-grained clays and silts.
• C) They are found only in the United States.
• D) They form only following glacial activity.

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Definitions:

Ribonucleoside

A nucleoside consisting of a ribose sugar bonded to a nitrogenous base, a fundamental component of RNA.

Ribonucleotide

A nucleotide that contains ribose as its sugar component, which is a fundamental building block of RNA (ribonucleic acid).

Deoxyguanosine

A nucleoside component of DNA, consisting of the base guanine attached to a deoxyribose sugar, but lacking a phosphate group.

Guanosine

A nucleoside comprising guanine attached to a ribose (sugar) ring via a β-N9-glycosidic bond.