PLEASE HELP 8PTS GUARENTEED! Helpful answers appreciated! How did Newton describe the concept of gravity and how did it add to the building knowledge of the movements of the heavens?

The legend is that Newton discovered gravity when he saw a falling apple while thinking about the forces of nature. Whatever really happened, Newton realized that some force must be acting on falling objects like apples because otherwise they would not start moving from rest. Gravity is what helps keep objects upright in space, so without gravity we'd all be floating around right now.

i believe the answer is c

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.