Which statement is true about the use of radiation to treat cancer? a) only weak x-rays can be usedb) only powerful x-rays can be usedc) only beta particles can be usedd) only alpha particles can be used.

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c