CBSE Class 10 Answered
can any source of energy bre pollution free?
why or why not?
Asked by | 17 Sep, 2011, 12:00: AM
Expert Answer
No source of energy can be pollution-free. It is considered that solar cells are pollution-free. However, even their making causes environmental damage indirectly.
Also, in the case of nuclear energy, there is no waste produced after the fusion reactions. However, it is not totally pollution-free. To start the fusion reactions, approximately 107 K temperature is required, which is provided by fission reactions. The wastes released from fission reactions are very hazardous. Hence, no source of energy is pollution-free.
Some amount of pollution is always done in bringing a source of energy into usable form, thus no source of energy can be purely said to as pollution free.
Also, in the case of nuclear energy, there is no waste produced after the fusion reactions. However, it is not totally pollution-free. To start the fusion reactions, approximately 107 K temperature is required, which is provided by fission reactions. The wastes released from fission reactions are very hazardous. Hence, no source of energy is pollution-free.
Some amount of pollution is always done in bringing a source of energy into usable form, thus no source of energy can be purely said to as pollution free.
Answered by | 18 Sep, 2011, 03:53: PM
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