A Barometer Uses Mercury Because

question 55

Multiple Choice

A barometer uses mercury because:

• A)it is a convenient,safe,lightweight material.
• B)the density of mercury is very large which allows the barometer to be short.
• C)it is the traditional substance used,water could be as easily used.
• D)it is the only liquid metal at room temperature.
• E)All of the above are true.

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Definitions:

Earplugs

Small devices inserted into the ear canal to protect the ears from loud noises, water, or foreign bodies.

Consumer's Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service versus the total amount they actually pay.

Earplugs

Small devices inserted into the ear canal to protect the ears from loud noises, water, or to block out sound for concentration or sleep.

Utility Function

Mathematical model that quantifies satisfaction levels consumers receive from consuming various quantities of goods and services, guiding choices under constraint.