Water can be used to create electricity. this type of energy is called

If you have to choose only term, hydropower is the generic word for all these energy sources.

But if you wanna be more specific, you have hydroelectric power, the one that uses a dam to extract energy from the flow a the river, wave power, which uses special buoys attached to get energy from sea waves, and tidal power, similar to the hydroelectric, but it gets energy from the marine currents instead of the river ones.

An  atom  (ours, not carroll's) consists of a positively charged  nucleus, surrounded by one or more negatively charged particles called  electrons. the positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral. most of an atom's mass is in its nucleus; the mass of an electron is only 1/1836 the mass of the lightest nucleus, that of hydrogen. although the nucleus is heavy, it is quite small compared with the overall size of an atom. the radius of a typical atom is around 0.1 to 0.25 nanometres (nm), whereas the radius of a nucleus is about 10-6  nm.  *  if an atom were enlarged to the size of the earth, its nucleus would be only 200 feet in diameter and could easily rest inside a small football stadium.read more on -

3x + 2x = both people using the same measure of like 5x = x= 25 meters per second. 25ms. it takes them 4 seconds to