Francesco Redi was the first scientist to disprove and challenge the spontaneous generation theory. He experimented on how flies distributed their eggs on the meat which caused flies to arose. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
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It is an organic catalyst. It speeds up certain chemical reactions in the body.
Answer:
The car locomotes
The cars engine makes noises when ignited
The fumes produced by the car when it moves.
Explanation
