A moving body must undergo a change of

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?

If forces acting on an object are unbalanced. true or false

What equation is used to calculate the weight of an object on a plant ?