Yung tama brainlest ko or follow..


How can air pollution be reduced? It can be reduced by
A. riding a bike or walking instead of driving
B. using energy efficient light bulbs and appliances
C. turning off lights and appliances when they are not in use
D. all of the above
15. What does it mean if the index value of air is 301 to 500?
A. good
B. hazardous
C. moderate
D.unhealthy