Classify the Following as an Element, a Compound, or a Mixture

question 21

Short Answer

Classify the following as an element, a compound, or a mixture: Air.

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Definitions:

Brisk Walking

A moderate-intensity aerobic activity characterized by walking at a faster pace that increases heart rate while improving cardiovascular health.

Congenital Heart Defects

Birth defects that affect the structure and function of the heart, present at birth.

Adolescents

Individuals in the transitional stage of development between childhood and adulthood, typically ranging from ages 13 to 19.

Strokes

A medical condition characterized by the sudden death of brain cells due to lack of oxygen, caused by blockage or rupture of blood vessels in the brain.