How did francesco redi disprove the idea of spontaneous generation?

Francesco Redicame up with a hypothesis to disprove the idea of spontaneous generation–specifically, the thought that maggots could come to life from meat. ... He then concluded that maggots only form when flies come in contact with meat and that spontaneous generationis not at play.

The answer is option a.

Processes above and be sure to mention the movement of electrons and energy as the carbon atom moves from one reaction to another.