Ethylene oxide is a highly flammable gas used to sterilize medical equipment to prevent a fire hazard, ethylene oxide should only be used in an area
-with open windows and doorways.
-with non-flammable equipment only
-without fire extinguishers.
-without sparks or flames,

True, using a pedometer can promote a physically active lifestyle.

Stimulants speed up the central nervous system.

That's  a project for you to do. btw your teacher probably uses a plagiarism detector and if you do copy anything on this site she/ he will find out and instead of getting a good  or bad grade you'll  get a 0 no exceptions, and they'll  probably call ur parents. so do some research ask friends and fam to you.