Why Does a Rising Air Parcel Cool Off

question 120

Multiple Choice

Why does a rising air parcel cool off?

• A) It is unstable.
• B) It expands.
• C) It loses heat to its surroundings.
• D) It loses energy by radiation.
• E) Its relative humidity is less than 100 percent.

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Definitions:

KCl

KCl, known as potassium chloride, is a metal halide salt composed of potassium and chlorine, used in medicine, food processing, and as a fertilizer.

Moles

A unit of measure in chemistry that represents 6.022 x 10^23 particles of a substance.

Li

The elemental symbol for Lithium, a soft, silver-white metal belonging to the alkali metal group.

Grams

A unit of mass in the metric system, equal to one thousandth of a kilogram.