Well when writing a CER first you need to state your claim after stating your claim you need to support your claim with evidence from your sources and after that you need to give reasons on how your evidence supports your claim
Answer:
Space is a vacuum thus you wouldn't be able to hear any noise.
If I'm remembering it right and if I did my research correctly, the answer is True.
Exothermic and it does follow the law of conservation of energy.
