How do you calculate the volume of a cube? A. with a graduated cylindar in mL? B. with a triple beam balance in g? C. with a beaker in mL? D. with a ruler in cm3?

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

i think it is true since you can test the answer and can use observations to complete it.

i think   the answer is c hope i'm right