Question tag he reads the book​

he reads the book, doesn't he?

Explanation:

"doesn't he?" is your answer

the answer is he reads the book _doesn't he

you   can   protest   and   boicot   and   have   marches  

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.