merites and demerites of using machines.
●merites of using machines
1)save time and energy.
2)bring comforts
3) Improve quality of life.
4)make man skillful
●Demerites of using machines
1)make one Dependant
2)make man lazy
3)make man inactive
4)make man neglect hardwork
please give me ans. argent
I will make you brainlist
Answers
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Answer:
very simple answer
Explanation:
what is the difinite of speed ?
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