I think it’s A (students often walked or rode bikes to school).
The reason as to why that is happening because as they grow older, their system gets weak and how they perceive things gets slow as their senses decline because of their age. This will enable to affect their sensory input, making older people receive less input compared to those who are younger to them.
Answer:
A. Include a minimum od 20-30 minutes of aerobic activity 3-4 times a week
Explanation:
Though all answers will help your body and cadiovascular system, A seems like the best answer since it will help improve your system the most.
