During a Cold Winter, the Temperature Stayed Below Zero for Ten

question 93

Multiple Choice

During a cold winter, the temperature stayed below zero for ten days (ranging from -20 to -5) . The variance of the temperatures of the ten-day period

• A) is negative since all the numbers are negative.
• B) must be at least zero.
• C) cannot be computed since all the numbers are negative.
• D) can be either negative or positive.

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Definitions:

Active Transport

The movement of substances across cell membranes against their concentration gradient, requiring energy expenditure by the cell.

Extracellular

Refers to anything located or occurring outside the cells, typically involving the extracellular matrix or fluids in the body.

Intracellular

Situated or happening inside a cell or cells.

Intravenous Catheter

A tube inserted into a vein to deliver fluids, medication, or nutrients directly into the bloodstream.