Anyway, water acts as a base and as a acid depending on what it is reacting with. Molecules that do this are called amphiprotic.
297.729km :-) hope this helps
Well when you eat you get energy and then you use it to ride up the hill sorry I don't know how it is classified
only one side of the Moon is visible from Earth because the Moon rotates on its axis at the same rate that the Moon orbits the Earth :)
