Which shows the electron configuration for zinc (zn)?

The atomic number of zinc is 30 therefore The electronic configuration of zinc is expressed as 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 or in simpler form expressed as [Ar] 3d^10 4s^2. The electronic configuration shows the distribution of the electrons of an atom or a molecule.

It changes food into energy that the organism can use.

Adozen is 1221/12 = 1.751.75 x 12 = 21therefore, 1.75 is the answer.