Which phrase is the best summary of the model shown? a. the breakdown of food molecules b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the transfer of the sun's energy through trophic levels

Atransformation of light energy into chemical energy

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass