Which of the Following Statements Is True

question 71

Multiple Choice

Which of the following statements is true?

• A)The short run is always somewhere between six and twelve months.
• B)In the short run, changes in output can only be brought about by a change in the quantity of variable inputs.
• C)The long run is any period of time over one year.
• D)In the short run, there are variable costs but no fixed costs.
• E)b and d

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Definitions:

Actin Filaments

Protein filaments in muscle cells and other cells that are primarily involved in the contraction and movement processes.

Intermediate Filaments

A component of the cytoskeleton in eukaryotic cells, providing mechanical support and playing a role in cell integrity and structure.

Microtubules

Cylindrical structures within cells that provide shape and facilitate movement and transport of materials.

Endosymbiosis

A theory that explains the origin of eukaryotic cells from prokaryotic organisms, through a symbiotic relationship.