science of applying sanitary, biological and scientific knowledge. A. environmental sanitation C. sanitation
B. environment D. pollution
_______2. Which of the following can absorb noise?
A. trees B. water C. land D. television
_______3. Which of the following is NOT true about noise pollution?
A. It can cause hearing problem.
B. It has harmful effects to human.
C. It has bad impacts to the environment.
D. It can make people al
