What is the science of naming and grouping organisms called?

Resperation is a way to release carbon back into the atmosphere

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

Which test would show positive results for orange juice