Question

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​

Answer 1

Answer:

very simple answer

Explanation:

what is the difinite of speed ?