12. a dog pants because a. evaporation causes cooling b. evaporation gets rid of excess water in the body c. it is tired d. panting to raise body temperature.

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water