Because it is easier to have a chain of command established with the staff if only one person is the leader. Companies and corporations also save money in the practice of only having a single leader or "boss."
I don't know if that answer will exactly help. :)
Hard hats, eye protection (non-perscription), hearing protection, welding ppe, metatarsal foot protection are a few
Answer:
I think this
D.
Add new activities to your schedule until you find those that reduce stress.
Make small changes in training routines to produce more consistent gains
Answer:
B. you still need the motivation to do it
