Which sentence has one or more adjectives, but no adverb?

The one you just wrote

Explanation:

 adj.          N        V   adj. conj. adj.    N          conj.  adj.    N  

Which sentence has one or more adjectives, but no adverb?

See? There are four adjectives and zero adverbs.   :)

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.