PDF chapter test TRY NOW
Fill in the blanks:
| endangered | food chain | extinct |
| reforestation | red data book | threatened |
| eggs | Bharatpur | wood pulp |
| 17 | recycling | natural reforestation |
1. Planting of trees in an area where the forests were destroyed is called as .
2. Migration in birds is for layingas the weather in the natural habitat will be very cold.
3. To make one tonne of paper, trees are needed.
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