Which of These Atmospheric Gases Is a Variable Gas (Accounting

question 12

Multiple Choice

Which of these atmospheric gases is a variable gas (accounting for a variable percentage of the atmosphere) ? ​

• A)oxygen
• B)argon
• C)ozone
• D)nitrogen
• E)neon

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Definitions:

Prader-Willi Syndrome

A rare genetic disorder that results in a number of physical, mental, and behavioral problems, including a constant sense of hunger.

Recessive Disorder

A genetic disorder that requires an individual to inherit two copies of a defective gene, one from each parent, for the condition to develop.

Sickle Cell Anemia

A genetic blood disorder characterized by red blood cells that assume an abnormal, rigid, sickle shape, leading to various health complications such as pain and anemia.

Tay-Sach's Disease

A hereditary disorder affecting infants, characterized by the absence of a vital enzyme, resulting in the accumulation of fatty substances in the nervous system, leading to death usually by the age of four.