Which of these problems was not one that affected Robert Louis Stevenson? poor health of his lungs. inability to obtain chemicals for his Experiments.

a restrained relationship with his strict parents

Political controversy over his respect for natives and riff-raff

the answer is a hoped this

this might :

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.