How much gold (au) is extracted per ton of rock ore

If element x has 99 protons how many electrons does it have

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9

Define the terms moral development and moral reasoning.