That is called a physical trainer or a fitness coach. Hope I helped!
Vertical columns on the periodic table are called groups.
I hope you like this answer, please Brainliest me, and have a good day and life! :D<span />
Answer:
yea that is very true ◠﹏◠✿
Explanation:
An organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.