Examine the Map Above (Figure 46

question 22

Multiple Choice

Examine the map above (Figure 46.9) ,which shows indices of aquatic and terrestrial primary productivity based on concentrations of chlorophyll a.
Based on this index,primary productivity of aquatic systems:

• A)is equal at all latitudes.
• B)generally increases from the poles to the equator.
• C)is greatest in the open ocean.
• D)is usually high in warm,tropical seas.
• E)tends to be high near polar regions.

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Definitions:

Long-Chain Polymers

Macromolecules consisting of a large number of monomer units connected by covalent bonds, typically featuring high molecular weights.

Monomer Units

Individual, small molecules that can bind chemically to other monomers to form polymers through repeated sequences.

Repeating Segment

A consistent sequence of atoms or groups within a polymer that repeats along its chain.

Nylon 6,6

A type of polyamide made by polymerizing hexamethylene diamine and adipic acid, known for its strong, elastic, and resistant properties, used in textiles and engineering plastics.