Which of the Following Is the Principal Positively Charged Ion

question 50

Multiple Choice

Which of the following is the principal positively charged ion inside body cells?

• A) calcium
• B) sodium
• C) magnesium
• D) potassium

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Definitions:

Contribution Margin

The amount remaining from sales revenue after variable expenses are deducted, indicating how much contributes to covering fixed costs and generating profit.

Variable Cost

Expenses that change in proportion to the volume of output or sales, including items like labor and materials.

Option To Wait

A choice or right, but not the obligation, to delay a business decision or investment, recognizing the value of flexibility in decision-making under uncertain conditions.

Discount Rate

The interest rate used to discount future cash flows to their present values, providing a measure of the time value of money.