Which of the earth’s spheres is made up of the gases and air that surround the earth and sustain life? a. the hydrosphere b. the lithosphere c. the biosphere d. the atmosphere

What is likely to happen in the long term if the earth continues to absorb more energy than it emits? a. the earth will discontinue recycling energy. b. organisms will begin to compensate for the change by incorporating more energy. c. the overall temperature of the earth will increase. d. the nutrient cycles will happen more frequently. select the best answer from the choices provided a b c d