Answer:
Your answers are all correct..
GOOD JOB:)
Density = mass / volume. therefore, something with a greater density either has a larger mass or a smaller volume. Think of density as how compressed something is: more "stuff" (mass) or a smaller "space" (volume) will make whatever that material is more compressed.
I would like to say B but im not sure, it seems the most logical
Answer:
Which elements makes up most of earth’s atmosphere?
The atmosphere is made up of different elements but the most abundance is Nitrogen with 78% while oxygen and others carries the rest percentage including some inert gases
Explanation: