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:
It would affect the respiratory system
Physical activity is like walking a dog and just doing day to day things with not alot of effort.
Answer:
C
Explanation:
Definitely C. Makes more sense
