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Ответ:
Ответ:
Q2) Cell membrane (d)
Q3) Provides the cell with water (b)
Q4) b
(Yw)
Ответ:
Explanation:
Given that,
The distance between the electron and proton,
We need to find the change in electric potential energy. It can be calculated as follows :
Where
k is the electrostatic constant
Change,
Put all the values.
So, the required change in electric potential energy is
.