IV.Answer the following questions.
1)
What types of alternative energy sources have been developed yet?
2)
Where is solar power especially attractive?
3)
What is the main problem with capitalizing on solar power?
4)
Where was the power of wind harnessed for the first time?
5)
What types of landscape have strong winds?
6)
Wind energy is safe and clean, isn't it? Prove it.
7)
Why isn't wind power reliable in some areas?
8)
What is the concept behind the construction of the many dams in the world today?
9)
What are the pros and cons of tidal energy?
10)
What wastes can be fermented to form an alcohol?
11)
What are the pros and cons of biomass?
12)
What other energies can be used for our needs in power?
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