Rick uses an electronic air sampler to determine the amount of dangerous chemicals in the air.

which functions of the air sampler confirm that it is an electronic tool? check all that apply.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

human-caused climate hope this

not sure if this what   you'r looking for would be percent composition

b. read the phase at the intersection of any given temperature and pressure.