Near the Subtropical High Pressure Centers, Net Primary Productivity Is

question 120

Multiple Choice

Near the subtropical high pressure centers, net primary productivity is limited by

• A) sunlight.
• B) lack of rainfall.
• C) cold temperatures.
• D) all of these

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Definitions:

Oxygen

A chemical element with the symbol O, necessary for the respiration of most living organisms and for combustion processes.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, absorbed by plants in photosynthesis.

Double-Blind Study

A research method in which both the subjects and the researchers are unaware of which group (test or control) the subjects belong to, to prevent bias.

Experimental

Pertaining to a methodical procedure carried out with the goal of verifying, falsifying, or establishing the validity of a hypothesis.