The Diagram Below Conveys the Idea That

question 15

Multiple Choice

The diagram below conveys the idea that

• A)oceanic subduction zones are areas where ecosystems are particularly rich.
• B)biogeochemical cycles store and cycle matter across the different "spheres."
• C)diversity is only one indicator of an ecosystem's health.
• D)life tends to exist in "clumps" with little between the productive areas.

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Definitions:

Diminishing Returns

A rule in economics that holds that after reaching a certain level, further investments in a specific sector will not yield higher returns if all other conditions stay the same.

Law of Demand

The economic principle stating that as the price of a good increases, demand for that good will decrease, and vice versa.

Marginal Cost (MC) Curve

A graphical representation showing how the cost to produce one additional unit of output changes as production volume increases.

Pollution Abatement

Measures and efforts undertaken to reduce, control, or eliminate pollution from various sources to protect the environment.