John F. Kennedy’s Remarks at Amherst College. Which is the best summary of the speech

you ask the question you want to answer when ever you are on the question you want to answer there should be a green box click that and type your answer. there is no texting.

the gas pressure p, gas volume v, and gas temperature t are given in the formula:   pv=nrt,

r is the gas constant, and n is the number of gas moles.

if the container is cooled and remains under atmospheric pressure, where r is a constant that does not change, the volume of the container remains the same, the conclusion is drawn that, with all other values ​​unchanged, the number of gas moles n, is decreases.

the right answer is a.

okay so where are the word that i need to use?