<span>The electromagnetic spectrum describes all the wavelengths of light. From dark nebulae to exploding stars, it reveals an otherwise invisible universe.</span>
They are blue because of hydrogen helium and methane
Answer: what is the person’s distance
Distance-Time is what is used to show the VELOCITY of an object in a graph since Velocity=Distance traveled * Time taken ( V=S*T)
The Y-axis is the Velocity
The X-axis is the Time.
