(Multiple choice) In this experiment, you'll use a scintillation counter to determine the radioactivity of your solutions. What does a scintillation counter detect in order to measure the radioactivity? Group of answer choices Beta particles emitted by Am-Be source Beta particles emitted from Mn-56 Pulses of emitted Cerenkov light Bursts of gamma rays emitted by decaying Mn-56 Neutrons emitted by sample solutions