Deductive reasoning, which is a type of reasoning where a general fact is broken down into a more specific case to make an inference. This general fact can be a broad branch of knowledge then gets into its parts that may comprise this broad knowledge. I hope this helped.
We base hypothesis or theories off of data or observations.
A singularity did.
A singularity is an infinitely small and infinitely dense point of matter from which the universe came. The big bang theory suggests that the big bang was like a balloon inflating from that infinitely tiny point into the universe we know today. There is plenty of evidence about this.
Answer:
Nucleus
Explanation:
Protons and neutrons are found in the nucleus.