A student is playing with tuning forks. One tuning fork has a frequency of 480Hz and the other tuning fork has a frequency of 256Hz. Which tuning fork creates waves with more energy?

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