A 58.3 kg person applies a 32.9 N force to a 4.16 kg skateboard when stepping off of it. What force is applied to the person by the skateboard?

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew