What are the 2012 estimated annual earnings for someone with a doctorate specializing in industrial-organizational psychology?

Ais the answer hope this

Answerigneous bedrock of the oceanic crust;

The answer is 4f======since electrostatic force is given by    we let f be the electrostatic force when  r = 1 m    if we let  denote the electrostatic force when the distance is decreased so that r = 0.5m, then    we established earlier that f = kq₁q₂. therefore    the force will now be 4f.