For each of the following sources of energy provide (1) a brief description, (2) a description of how the energy is converted into electricity for us to use, (3) The advantages of this source of energy, and (4) The advantages of this source of energy. Solar, hydro, nuclear, geothermal, wind, coal, natural gas

a:

by the combination of an unlimited number of elements

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.