Question

answer the following questions

1 how many a material changed into energy ?
2 why did man start using coal instead of wood as fuel ?
3 what is a source of energy ?
4 is hand coal a good kind of fuel ? give reason.
5 give one example each of solid and liquid fuel a gaseous fuel?
6 pick out the ward mean arrange in group ?
answer in your language. ​

Answer 1

Answer:

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Explanation:

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