Question

the greatest health risk factor which a person can control
inactivity heredity cancer heart attack

Explanation:

To determine the answer, we analyze each option:

• "heredity" is a genetic factor and not controllable by an individual.
• "cancer" and "heart attack" are health conditions or outcomes, not risk factors that can be directly controlled.
• "inactivity" (lack of physical activity) is a modifiable health risk factor as a person can choose to be active, exercise, etc., to control it.

Answer:

A. inactivity