External Costs Are the Difference Between

question 114

Multiple Choice

External costs are the difference between

• A)Social costs and private costs.
• B)Benefits and costs.
• C)Average and marginal costs.

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Definitions:

Forams

Forams, short for foraminifera, are a large group of amoeboid protists with reticulating pseudopods, known for their complex shell structures, significant in the fossil record and marine ecosystems.

Cytoplasmic Projections

Extensions of the cell's cytoplasm that increase surface area or aid in cellular movement, such as pseudopods in amoebas.

Anaerobic Excavate

A type of microorganism that lives in environments devoid of oxygen, deriving energy through anaerobic processes, possibly through the evolution of ancient excavation mechanisms.

Endosymbiont

An organism that lives inside the body or a cell of another kind of organism. Endosymbionts may benefit their host (mutualism) or harm their host (parasitism).