What happens to the force of gravitational pull if we tripled the distance and one of the masses is doubled

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.

Give me a example of a decomposer. explain what would happen if decomposers were absent from a forest ecosystem