Question

what is a good source of energy

Answer:-
A good source of energy fulfils the following criteria:
→ It produces a lot of heat per unit mass.
→ It does a huge amount of work per unit mass.
→ It is easily accessible.
→ It is easy to store and transport.
→ It is economical.
→ It produces less amount of smoke.
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Answer 1

Answer:

very good...

keep learning....

Answer 2

question aapne pucha phir answer bhi aapne hi de diya to hame kya krna h

=_=