1Assertion:petrol can be considered as good source of energy reason:A good source of energy can do a large amount if work
2Assertion: CNG is a good alternative to petrol and diesel
Reason: CNG does not cause any air pollution
Assertion:social solar cell has low efficiency
Reason:
solar cell convert 75 percentage of light energy falling on them
Answers
Answered by
4
solar energy is better
These energy sources like petrol ,desal and coal are non renewable resources. and pollutionable
Similar questions