In an energy pyramid, which level has the most available energy?

The first level of the energy level pyramid has the most energy available. The first level are producers.

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

Answer trigonal pyramidal;