Carlos arranges his notes about radioactive decay in a graphic organizer. he wants to add the labels shown.
label 1: photon
label 2: positron
label 3: no change in mass number
which is the best region for each label?
a. label 1: z
label 2: x
label 3: y
b. label 1: x
label 2: z
label 3: x
c. label 1: x
label 2: z
label 3: y
d. label 1: x
label 2: z
label 3: z
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