Get premium membership and access revision papers with marking schemes, video lessons and live classes.
  OR
Processing. Please wait.

 Class 8 Science: Soil and Air Pollution Questions and Answers

Which one of the following would help to conserve the environment?
A. Burning heaps and sawdust.
B. Burying plastics in the soil.
C. Using wood ash to kill pests.
D. Using commercial fertilizers to increase crop yield.

 (2m 39s)
387 Views     SHARE

|