Why are the moon and earth able to exert a force on each other

a. the force of static electricity holds the two objects together in orbit

b. the force of tension holds the two objects together in orbit

c. gravity allows them to be in direct contact with each other

d. gravity is a force the x at a distance

Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind