2. Royce Gracie, a Brazilian Jiu-Jitsu practitioner who was the son of Hélio Gracie and grandson of Carlos Gracie, was the inaugural winner in 1993 of which famous mixed
martial arts competition that was created to identify the most effective martial art in a
contest with minimal rules and no weight classes?

Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.