our environment

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Across
  1. 1. feet with two toes upwards and two toes downwards help birds to ________
  2. 4. uses its beak like a needle to sew leaves with materials like thread and wool
  3. 6. collects pebbles and stones to make a nest
  4. 8. weaves grass in and out to make its nest
  5. 9. a bird's body is covered with ________
  6. 10. ________ bags harm the environment
  7. 12. collects a few sticks to make a cup shaped nest
  8. 13. we should not waste _________ as it is made by cutting trees
Down
  1. 2. consists of both living and non living things
  2. 3. there are ___________ different types of pollution
  3. 5. its front toes are joined by a skin
  4. 7. makes its nest in the hollow of a tree
  5. 11. use of loudspeakers causes ____________ pollution