Question

6. Give reasons:
i. Trees are natural purifiers of air.
ii. Sour things are not kept in metals pots.
iii. Freshly cut apple or brinjal turns brown.
iv. Burning of magnesium ribbon is considered a chemical change.
v. Soil erosion is devastating for environment.
vi. The population of wild animals is decreasing alarmingly.​

Answer 1

Answer:

1.because trees take in carbon dioxide which is released by industry and by animals and convert it into oxygen which is essential for respiration and combustion