When an Air Mass Is Warmer Than the Surface Over

question 49

Multiple Choice

When an air mass is warmer than the surface over which it is moving:

• A)the letter k is added after the air mass symbol.
• B)visibility within the air mass is usually very good.
• C)the air becomes more stable.
• D)the lapse rate in the air mass is increased.

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Definitions:

Prevalence

The total number of cases of a disease that exist in a particular population at a specific time.

False-Positive Diagnosis

An erroneous identification where a test incorrectly indicates the presence of a condition that is actually absent.

Diagnostic Procedures

Medical tests and evaluations performed to identify the presence of a disease or determine its severity in a patient.

Specificity

The ability of a test to correctly identify those without the disease (true negative rate).