Food producers can irradiate food by passing it close to a radioactive source. How can food producers increase the level of radiation that the food is exposed to?
Tick two boxes.

A) Boil the food before passing it close to the radioactive
source

B) Decrease the distance between the food and the
radioactive source

C)Increase the time for which the food is close to the
radioactive source

D)Put the radioactive source in a box

E) Reduce the temperature of the radioactive source