Question

how were redis and pasteurs experiments similar? both studied the growth of microbes in broth. both studied flies emerging from meat. both tested the idea of spontaneous generation. both tested whether pasteurization kills microorganisms.

Explanation:

Redi's experiment was about whether flies emerged from meat to test spontaneous generation. Pasteur's experiment was about the growth of microbes in broth to disprove spontaneous generation. Both aimed to test the idea of spontaneous generation.

Answer:

Both tested the idea of spontaneous generation.