Which of the statements below is true regarding the movement of carbon between organisms in a food web, and the transfer of energy between organisms in different trophic levels? (select all that apply.)a. neither energy nor carbon can be continuously cycled. b. carbon can be continuously cycled, but energy cannot. c. carbon in the feces of a top predator can be decomposed and used by primary producers in the form of co2; the energy in the feces is used by the decomposers and is released as heat. d. both energy and carbon can be continuously cycled. e. energy can be continuously cycled, but carbon cannot.