Which of the Following Is True Regarding Permafrost

question 136

Multiple Choice

Which of the following is true regarding permafrost?

• A)it develops where soil or rock temperatures are below freezing for at least two years.
• B)it is an area that is covered by glaciers.
• C)the surface layer in a permafrost region never thaws-even during the warm season.
• D)it occurs at a lower elevation in the midlatitudes than in the high latitudes.
• E)it is always associated with water - liquid or solid.

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Definitions:

Transformation

in chemistry refers to the conversion of one chemical compound into another through a chemical reaction.

Primary Alcohol

An organic compound with a hydroxyl group (-OH) attached to a carbon atom that has only one carbon-carbon bond (i.e., at the end of a carbon chain).

Ethylmagnesium Bromide

A chemical reagent used in organic chemistry, specifically as a Grignard reagent, for forming carbon-carbon bonds.

Aqueous Acid

An acid solution where water acts as the solvent, capable of donating hydrogen ions (H+) to bases.