Which Statement Is TRUE About the Global Hydrologic Cycle

question 17

Multiple Choice

Which statement is TRUE about the global hydrologic cycle?

• A) Precipitation is greater than evaporation in terrestrial ecosystems.
• B) Evaporation is greater than precipitation in terrestrial ecosystems.
• C) Precipitation and evaporation are about equal in terrestrial ecosystems.
• D) Precipitation exceeds evaporation in aquatic ecosystems.
• E) Precipitation and evaporation are about equal in aquatic ecosystems.

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Definitions:

D-Erythrose

D-Erythrose is a four-carbon sugar (tetrose) with the chemical formula C4H8O4, known for being one of the simplest aldose carbohydrates.

Open-Chain Form

A molecular structure not forming a ring, consisting of atoms connected in a linear or branched sequence.

Asymmetric Carbons

Carbon atoms bonded to four different groups, leading to chiral molecules that can have non-superimposable mirror images.

D-Arabinose

A monosaccharide sugar, which is an aldopentose because it contains five carbon atoms and includes an aldehyde group.