Question

Answer in one word.
1. The topmost layer of leaves and branches of trees in a forest
2. Forests developed for camping, hiking and trekking
3. Human populations that live in forests
4. The fine dust particles in air
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Answer 1

Answer:

1. canopy

2.

3. three hunderd million people

4.

Answer 2

Answer:

1- canopy.

2-incorrect question

3-300 million

4-nanoparticles