I believe the answer is a because 2 times 12 is 24. Hope this helped
Answer:
C
Explanation:
Characteristics used to classify stars include color, temperature, size, composition, and brightness.
answer:
This allows us to tell alkenes apart from alkanes using a simple chemical test. Bromine water is an orange solution of bromine. It becomes colourless when it is shaken with an alkene. Alkenes can decolourise bromine water, but alkanes cannot.
explanation:
As solid is a hard surface and it can be changed to any shape although it is placed to any container whereas liquid can be poured from one container to another and gases have less bulk so they are not exaggerated by gravity
