Explain the sources and deficiency disorders
of vitamin B1, B2,
racin and B 12

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

Carbohydrates,fats and proteins

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.

Answer target heart rate;