Explanation:
The speak about the present ex it is raining now
The correct option is B: new, overwhelming.
Adjectives are usually used to modify nouns. In this case, in the sentence "[although] the new students worked hard, they could barely keep up with the overwhelming amount of homework", "new" modifies "students" and "overwhelming" modifies "amount of homework".
The other options contain "barely" which is an adverb, not an adjective. Moreover, "hard" is also used as an adverb in the sentence. Adverbs such as "barely" modify a verb. That is to say, they add information about HOW an action is.
The best statement, I think, is that the volume is the same for any gas. If we assume we have an ideal gas, this statement is very valid since it has been established that at STP, where the temperature is 0 degrees Celsius and the pressure is 1 atm, the volume of 1 mole of gas is 22.4 L.
I believe it’s C.) should happen