In which area or areas on the image does the salinity of the ocean increase?

1
2
3
1, 2, and 3
none of these

The protons in a nucleus are approximately 2 ✕ 10^−15 m apart. consider the case where the protons are a distance d = 1.93 ✕ 10^−15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.