Coulomb deduced in his experiment that the magnitude of the force f between two charges is proportional to the product of the charges.
a. exponentially
b. directly
c. inversely
d. inversely squared

answer; i believe that the correct answer is (c) explore the outer planets; / plz check good luck

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.