Without the sun there would be no life on earth this is because the sun is the major source of all

this is true, if there was no sun, the world would freeze. also, no food would grow and we would starve

idk lol use google m8

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.