Consider three elements A B and C all of which have atomic numbers of less then 20. The atomic number of A is x, and the atomic number of B is three less than the atomic number of A Element A forms cations with formula A+ and reacts with element C to form a solid substance with the formula AC

What is element A
Which group does element C belong to

In this energy pyramid, about Of the available energy is transferred to each level

Explanation When an organism consumes food from the previous trophic level, some of that energy is used for metabolism, growth, and tissue repair. The amount of energy obtained from the previous level is not all converted to biomass. Roughly ten percent of it is available for consumption