Question

A. Fill in the blanks.
1. Earth surface is divided into_____ and _______ zones.
2. To maintain ecological balance, _________ % of the land should be under forest.
3. Planting of trees is commonly known as _____________.
4. The main source of fresh water is ________.
5. Earth is known as __________ planets due to the presence of water on it.
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Answer 1

Answer:

1..Torrid/tropical , Temperate and Frigid zones

2..33%

3..afforestation,

4.rain bearing

5. Blue

Explanation:

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Answer 2

Answer:

1, Torrid / Tropical, Temperature and frigid zones.

2, 33 percentage.

3, reforestation or afforestation.

4, rivers, lakes, reservoirs and creeks and streams.

5, Blue.