An electric charge on the xxx axis oscillates sinusoidally about the origin. A distant observer is located at a point on the z z axis. Part A In what direction will the electric field oscillate at the observer's location

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