Question

John made a stethoscope using a paper cup and plastic tube. write down the procedure he followed​

Answer 1

Answer:

steps is to long to write

i can expalin it here

=> yaogs dxdiq

Explanation:

Answer 2

Explanation:

Your question is actually wrong stethoscope can't be make by paper cup and plastic tube with some measurements and suitable equipments needed to make it. And may if it it must be a toy stethoscope without lenses it is impossible to make.