Select the correct answer. charlie throws a ball up into the air. while the ball is airborne, which is the greatest force acting on the ball to slow it down? a. applied force b. friction force c. gravitational force d. normal force

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.