Yea what that person said
The answer is A. An ionic bond transfers, in contrast a covalent bond shares
The train traveled 100km (50x2) down and then 375km (75x5) up. So the train is 275km (375-100) up from where it started.
If you want to know how it looks outside of your body then that's when your fingers are wrinkled like if you soak your hands in water or take a long shower or bath that could be when water is entering your cells.
Hope this helps!
