A container holds a pure sample of a radioactive substance with a half-life of 2 hours.Part AWhich of the following statements are true?a) After 1 hour, less than 50\% of the original atoms in the container will have decayed.b) After 1 hour, more than 50\% of the original atoms in the container will have decayed.c) After 2 hours, 50\% of the original atoms in the container will have decayed.d) After 4 hours, 25\% of the original atoms will have decayed.e) After 4 hours, the total number of atoms in the container will be reduced by 75\%.