Sagot :
Answer:
16-17.The Paragraph Is All About Rain
18-19.Rain is very important if there were no rain, there would be life only in the sea in parts of the world where there is no rain, there is no life Rain is treasured and prayed for in countries where there is not enough of it or where it falls only at certain seasons of the year Rain is something that cleans and washes the air nounshes vegetation on which our own life depends and insures a supply of fresh water Yet too much rain is not welcomed either.
20-21.I Know it because I read it carefully.