Answer:
Francesco Redi's experiment was the first experiment that disproved the theory of sponatenous generation. He explained that life cannot originate from the inorganic or non living matter.
He placed the two maggots in two different jars. The one jar is uncovered and contains meats in which maggots appear. The another jar is covered and no maggots appear on meat. This explains that maggots flies eggs are not formed in the covered jar as eggs are not available for the life. Maggots do not originate from the meat.Life originate from the pre existing life.
Answer: carbohydrate, protein and fat.
There are 3 kind of macromolecules: carbohydrate, protein, and fat. Carbohydrate mostly found in a plant like rice, wheat, barley. In this case, it's on the pizza dough.
Protein mostly found on muscle or meat. Some meat also has fat because they are not separated when cut, like bacon. Fat found in the subcutaneus tissue of animal or oil. Sausages, pepperoni, and bacon have much protein and some fat.
Be yourself
.........................
Answer:
improper disposal of sewage
