Directions: Read carefully the following questions. Put check (✓) with your best answer. Write your answer in a separate sheet of paper.
1. Noise is a pleasant and annoying sound that caused by vibration of the matter.
( ) Yes ( ) No
2. Excessive noise can be harm to our health?
( ) Yes ( ) No
3. Unclean means pollution?
( ) Yes ( ) No
4. Pollution refers to very good condition of environment in terms of quantity and quality.
( ) Yes ( ) No
5. Noise pollution is good to our health?
( ) Yes ( ) No