Look in the comments. I d a r e y o u

On a cold day, when the air temperature is 0°c, you empty your lungs and take a deep breath, filling your lungs with 4.2 l of air. if you hold your breath until the temperature of the air in your lungs reaches 37°c, what is the volume of the air in your lungs at that point, assuming the pressure does not change?

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good