Environment quiz

12345678
Across
  1. 4. Largest flower in the world
  2. 6. atmospheric layer has most of the clouds
  3. 8. Scientists who study about the behaviour of wild animals
Down
  1. 1. unit in which radio activity is measured
  2. 2. Major diet of Pandas
  3. 3. fuels extracted from plants and crops
  4. 5. The most abundant gas on the earth’s atmosphere
  5. 7. First National park of India