They are antonyms. Pollute and purify are opposite meanings. Pollute means to ruin or make something unclean, while purify means removing the harmful or dirtiness out of something.
Answer:
Debat is the correct answer
AS IT IS SAID BY MOUTH NOT PRESENTED VUSUALL IN OTHER WORDS IT IS A AUDIBLE THING
Explanation:
PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASE
A declarative sentence is a statement. Such as, "I went to the park yesterday." That is declarative, because it is stating a fact. Another way to know it's declarative is, all declarative sentences end in periods. But you shouldn't get these mixed up with imperative which are commands. Hope this helped!