The answer is the first option. Gas burning in an engine is an example of a chemical change. Chemical change is a change where the substance changes in identity or form new substances after undergoing a process. In this case, the gas reacts with oxygen forming combustion products, commonly carbon dioxide and water.
3.
protium (A = 1), deuterium (A = 2), and tritium (A = 3).
Hello!
I believe the answer is A) Anaphase.
I hope it helps!
C. Grams per Cubic Centimeter
