I will be so thankful if u answer correctly!!​

(C) 200 N

Explanation:

The acceleration due to gravity on earth is given by

where = universal gravitational constant

= mass of the earth

= radius of the earth

Planet Krypton has twice the mass of earth and 3 times the radius so its acceleration due to gravity is

or

If we multiply both sides by Superman's mass, we get his weights on both planets:

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide