"which of the following is true about the sun? a. the sun is the only star in the solar system. b. the sun is not a star. c. the sun is the only star in the universe. d. the sun is the only star in the milky way

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.