It requires 1.41 x 10-18 J to separate the ions A+ and B- from their equilibrium distance (ro=1.44 x 10-10m) to infinity, what is the value of the repulsive exponent (n) for this compound

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !