Act 2 scene 3 summary for the Christmas carol

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.

the tiger in "the tiger's whisker" and the bird in "sympathy"

1. discipline

2.experience

3.passion

4. confidence