On a Cold Day, a Metal Fence Post Feels Colder

question 5

Multiple Choice

On a cold day, a metal fence post feels colder to the touch than a tree. This sensation of different temperatures is explained by the fact that

• A) the temperature of the tree is higher.
• B) the specific heat capacity of the metal is higher.
• C) the specific heat capacity of the wood in the tree is higher.
• D) the thermal conductivity of the metal is higher.
• E) the thermal conductivity of the wood in the tree is higher.

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Definitions:

Body Mass Index

A body fat gauge for adults, determined by both height and weight, relevant to women and men alike.

Sodium Intake

The amount of sodium consumed, usually measured in milligrams, which is considered in relation to dietary guidelines to maintain health and prevent disease.

Moderate-to-vigorous Aerobic Physical Activity

Physical activities that elevate the heart rate and improve cardiovascular conditioning, ranging from brisk walking to intense running.

Quit Smoking

The process of discontinuing tobacco smoking, which can lead to significant improvements in health and reduce the risk of developing smoking-related diseases.