The best answer to fill in the blank would be ''Bystander'' because as that role you can go tell any adult or higher authority to stop the fighting so you don't try to be a hero and get yourself hurt as well.
They are all made of tissue and cells.
Hey there!
The answer would be what to do if someone falls overboard. Finding food is not that hard on a ship and probably not important. Washing the ship Hull is not for the passengers. Navigation lights is for the driver of the boat to use. If someone falls overboard, they could drown if they don’t know how to swim. This is very dangerous.
You are studying the anatomy of the body and organs.
Im pretty sure its metabolic bone diseas i might ve wrong but im pretty sure thats it.