Answer: The gateway drug effect (alternatively, stepping-stone theory, escalation hypothesis, or progression hypothesis) is a comprehensive catchphrase for the often observed effect that the use of a psychoactive substance is coupled to an increased probability of the use of further substances.
Explanation:
These tests are listed in order of increasing rigor. The PAR-Q is a written assessment that predicts one's readiness for exercise. The other three require the help of a health professional to complete. ... Finally, the exercise stress test is designed to test the response of the body while exercising vigorously
The answer is C) Because nothing in this world is limited, especially not your nowledge base.
Walking Take a rest. no weight lifting this prevent