Carbon Cycling in the Oceans Differs from Carbon Cycling on Land

question 39

Multiple Choice

Carbon cycling in the oceans differs from carbon cycling on land because in the oceans, carbon

• A) comes directly from the water and never interacts with the atmosphere.
• B) is not cycled through photosynthesis and respiration.
• C) is used directly by organisms, and abiotic processes are less important.
• D) must first diffuse into the water before it can be used by organisms.
• E) cycles only through abiotic processes, bypassing living organisms.

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Definitions:

Standard Deviations

A measure of the dispersion of a set of data from its mean, often used in finance to quantify the volatility of returns.

Perfectly Negatively Correlated

A relationship between two variables where one variable increases as the other decreases with a correlation coefficient of -1.

Global Minimum Variance Portfolio

A portfolio construction strategy aimed at minimizing the volatility of returns by selecting a combination of investments that as a whole have the lowest possible risk.

Standard Deviation

A statistical measure of the dispersion or variability of a set of values, often used to quantify the risk associated with a particular investment or portfolio.