Please help! Hurry!

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 was the dependent variable in Redi's experiment?
A. the flies
B. the jar covers
C. the smell of the rotting meat
D. the number of maggots on the meat

Ais a group of individuals of the same that exist together in the same place at the same time

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

Can someone pretty me with this ? it’s urgent. compare the three theories of emotion. here are the three theories of emotion. cannon-bard theory of emotion: the belief that both psychological arousal and emotional experience are produced stimultaneously ( at the same time) by the same nerve stimulus. james-lange theory of emotion: the belief that emotional experience is a reaction to bodily events occurring as a result of an external situation. ( “ i feel sad because i am crying.) schachter-singer theory of emotion: the belief that emotions are jointly determined by a nonspecific kind of psychological (bodily function) arousal and its interpretation, based on environmental ( natural surroundings) cues. which of these theories makes most sense to you? why. your response should be written using proper english spelling and grammar. and it needs to be 10 complete sentences.