1.

The sun is the primary source of energy. The trees are the factories which produce food from sunlight. Are we growing or cutting down such trees? Discuss the advantages of trees and our responsibility in growing them.

Answer»

We are cutting down trees more than we grow.

The advantages of Trees:

1. Trees can reduce air temperature by blocking sunlight. Further cooling occurs when water evaporates from the leaf surface. The conversion of water to air vapour … a chemical process …. removes heat energy from the air. 

2. A tree can be a natural air conditioner. 

3. Trees absorb and block noise and reduce glare. 

4. Fallen treen leaves can reduce soil temperature and soil moisture loss. 

5. Trees create an ecosystem to provide habitat and food for birds and other animals. 

6. Trees absorb CO2and potentially harmful gasses from the air and release O2 . 

7. Trees help to reduce surface water runoff from storms, thus decreasing soil erosion and the accumulation of sediments in streams. They increase ground water recharge and reduce the number of potentially harmful chemicals transported to our streams. 

8. Dews and frosts are less under tree because less radiant heat is lost at night.



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