What is very unusual about the pig, hen wen?

a.
she can predict future events.

b.
she makes things disappear.

c.
she speaks the human language.

d.
she can lead men to treasure

me get right

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.