In a certain region, children are considered economic benefits. a rising trend in the fertility levels of the region is observed. last year the fertility rate in that region was four children per woman. it is predicted that the fertility rate is going to be six children per woman due to increasing poverty.

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