Prompt gamma rays are....
Heat of combustion.<span> The calorific value is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions. The chemical reaction is typically a hydrocarbon or other organic molecule reacting with oxygen to form carbon dioxide and water and release heat.</span>
Answer:
The observable universe is still huge, but it has limits. because it's most likely like an plane all round.
Explanation:
I agree with the other comment
