The Guard Cells Shown in This Figure Have

question 58

Multiple Choice

The guard cells shown in this figure have:

• A)accumulated potassium ions.
• B)lost potassium ions.
• C)eliminated all potassium ions.
• D)lost most of their water.

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Definitions:

Total Cost

The total expense of production encompassing both constant and fluctuating costs.

Average Variable Cost

The total variable costs of production divided by the quantity of output produced.

Total Variable Cost

The sum of expenses that vary directly with the level of production or sales volume.

Variable Costs

Costs that change in proportion to the level of activity or volume of production.