The correct answer is A. Spontaneous generation does not happen.
He wanted to show that cells always come from other cells, meaning that cells and life organisms cannot come from non-matter or dead matter. Meaning that maggots in rotting bodies are not made from the bodies.
Ok here we go:
Science starts with observing which leads to hypothesis, which is tested by experiments.
The other two i am not sure of. Hope i was a help to you. One thing you can do to figure out the other two is google: "what type of science includes medicine and envirnmental science", and do the same for the other one.
Answer:
shrinking and I'm trying to keep typing because I need more than 20 characters on my answer
July is the warmest summer it has been proven by me and my fellow class mates.