The answer is C, they show info about years in the past, present and future, ask your teacher or any website and they can show you a line graph. :)
During the lunar<span> month, the </span>Moon<span> goes through all its </span>phases. You can see the phases<span> drawn in the image below. Just like the Earth, half of the </span>Moon<span> is lit by the Sun while the other half is in darkness. The </span>phases<span> we see result from the angle the </span>Moon<span> makes with the Sun as viewed from Earth.</span>
