Why Is Heat Shown Flowing from the Worker in the Illustration

question 63

Multiple Choice

Why is heat shown flowing from the worker in the illustration below?

• A)The worker was exposed to the sun while working outside and simply got hot.
• B)The conversion of metabolic energy into muscle contraction is not 100 percent efficient and some of the energy is lost as heat.
• C)Using a hammer, paintbrush, or any other tool generates friction and heat in the arm that must be lost to maintain homeostasis.
• D)Energy and matter are equivalent; the conversion of the worker's body mass to kinetic energy requires a reduction of body mass and is indicated by the outflow arrows.

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Definitions:

Skewed Histogram

A graphical representation of data that is not symmetrical and leans towards one side, indicating a lack of normal distribution.

Tail

The extreme end or the farthest part from the mean in a distribution, often referred to in discussions of outliers and probabilities.

Modal Class

The category or class interval in a dataset that appears most frequently.

Histogram

A graphical representation of the distribution of numerical data, often used to visualize the frequency of data within bins.