Please answer the physics question below please and ty:)

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?

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

What part of the ear is names after tools, such as the hammer and the anvil?