Question

7.10. MIGRATION
19. Why do migratory birds migrate from one place to another?
44 RECYCLING OF PAPER​

Answer 1

Migratory birds fly hundreds and thousands of kilometres to find the best ecological conditions and habitats for feeding, breeding and raising their young. When conditions at breeding sites become unfavourable, it is time to fly to regions where conditions are better.

Answer 2

MIGRATION : movement of animals or humans from a place to another place .

- Birds migrate to find best ecological system and habitats for feeding , breading and rising their young ones .

RECYCLING OF PAPER : a process in which old and used papers and mixed and form new paper by using some chemical .

thank_you ♡