Depends on how fast he runs in a sitting. If he runs slow during the 20 minutes he isn't getting much done :D.
The Hazard Communication Standard requires employers to disclose toxic and hazardous substances in workplaces. This is related to the Worker Protection Standard. Specifically, this requires unrestricted employee access to the Material Safety Data Sheet or equivalent, and appropriate training needed to understand health and safety risks.
Your brain becomes more sensitive
I believe it could be yes or no because it doesn’t specify if you did or not but if i were to guess i would say yes because you willingly got on the bus to change the sentence i would say During lunch your friend asked you to comeover after school you say “yeah sure” and get on the bus to go home