Answer:
Wood
is a renewable source of energy. It is obtained by cutting trees. A new plant
sapling usually takes more than 15 years to grow and mature into a tree.
Therefore, replenishment of cut down trees takes a very long time.
Cutting down of trees causes depletion of the forests leading
to imbalance in nature. Due to unsuitable air and the above reasons, usage of
wood as a source of energy is not a wise decision. (1
+1)
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