1.

What is meant by green energy? Which energy sources can be called green energy sources and why? Give examples.

Answer»

(1) Green energy means eco-friendly form of energy which does not cause environmental problems and are non-exhaustible, perpetual and sustainable.

(2) These sources of energy do not produce toxic gases or other pollutants, therefore they are safe. 

(3) Examples of green energy: 

(i) Hydroelectric energy 

(ii) Wind energy 

(iii) Solar energy 

(iv) Energy obtained biofuels.



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