The radioisotope ra-224 decays by  emission to the ground state of rn-220 (94% probability) and to the first excited state of 0.241 mev above the ground state (5.5%). what are the energies of the two  particles?

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