Question

(a) In recording studios, the walls are covered with bumpy foams.
(1) This is because bumpy foams produce nice sounds.
(1) This is because walls will absorb sounds if not covered with bumpy foams
(i) This is because bumpy foams absorb extra sounds.
(iv) This is because bumpy foams will absorb sounds coming from outside
trumpet make sound?​

Answer 1

Answer:

the correct answer is fourth one