This would be said by the marxist, socialist sociological perspective. They would most likely argue that educational inequalities are there in place to reinforce the upper echelons of society so that the divison between the working class and the burgeois will always remain and be in favor of the latter.
Answer: yes
Explanation:
you can weigh air inside a container. density is determined by pressure/humidity
The answer to this is Theory (not hypothesis as some may say)