Question.
Can any source of energy be pollution-free ? Why or why not ?
Can any source of energy be pollution-free ? Why or why not ?
solution:
No source of energy is totally pollution-free, only the degree and the manner of pollution vary. For example, solar cells seem to be non-polluting but environmental pollution is caused in the manufacturing of solar cells.
No source of energy is totally pollution-free, only the degree and the manner of pollution vary. For example, solar cells seem to be non-polluting but environmental pollution is caused in the manufacturing of solar cells.