Brainliest two answers please :) Francesco Redi conducted the following experiment. Jars of meat with covers did not have maggots. Jars of meat with no covers did have maggots. Francesco Redi conducted the following experiment.

Jars of meat with covers did not have maggots.

Jars of meat with no covers did have maggots.

What should have been a control in Redi's experiment?
A. the flies
B. the jar covers
C. the amount of meat in each jar
D. the number of maggots on the meat