I think it'd be B.. I might be wrong tho..
The correct answer is true.
Foods that underwent the irradiating process, should be labeled "treated by irradiation". Irradiation or Radiation process does not make the food radioactive or poisonous, the radiant light, passes through the food, wherein it eradicates and removes certain bacterias and may also help in food preservation.
There are approx 100 billion
Water is a polar molecule because its opposite ends have opposite electric charges.
It eliminates certain genetic diseases or bad traits for the flock.