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:

Sediment

Particulate organic and inorganic matter that accumulates in a solid layer on the surface of land or within bodies of water.

Air Currents

Movements of air resulting from differences in air temperature and pressure, contributing to weather patterns and climactic conditions globally.

Northern Hemisphere

The half of Earth that is north of the equator, covering continents including North America, Europe, and most of Asia and Africa.

Southern Hemisphere

The half of Earth that lies south of the equator.