Susie is conducting an investigation to find out what type of fish are in two ponds near her house the results are shown in the bar graph below how many more perch are in pond 2 than pond 2
a. 5
b.10
c.30
d. 8

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