Question 1 of 20 If an electromagnetic wave has a frequency of 8 x 1014 Hz, what is its
wavelength? Use 1 = The speed of light is 3 x 108 m/s.
O A. 3.8 x 10-7m
B. 2.7 x 10-6 m
O C. 2.7 x 10m
O D. 3.8 x 1021 m

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?

True or false graphs must include scales that increase by the same amount

When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?