Sweating to Keep Cool in the Summer Is the Result

question 68

Multiple Choice

Sweating to keep cool in the summer is the result of ____.

• A)hydrogen bonds breaking to release energy
• B)hydrogen bonds forming, which requires energy
• C)evaporation of water giving off energy
• D)cohesion of water molecules giving off energy
• E)cohesion of water molecules requiring energy

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Definitions:

Contribution Margin

The amount by which the unit selling price exceeds the unit variable cost.

Fixed Costs

Expenses that do not change in proportion to the activity of a business, such as rent, salaries, and insurance premiums.

Variable Cost

Costs that change in proportion to the level of activity or production volume, such as materials and labor.

Fixed Costs

Costs that remain constant regardless of how much is produced or sold, including expenses like rent, salaries, and insurance.