As air temperature approaches the dew point, what happens to the relative humidity?

The diagram shows a person using a piece of gym equipment to lift weight which best describe the body in terms of simple machine

The two required components for a generator

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.