Which text evidence best supports the authors claim and
purpose?
sugar changed the world part 3

it the climax in the poem

what is margin again? i’m confusion

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.

i think descriptive but i'm not 100% sure.. sorry.