Why do i eat? and why does animals eat?

Look at the picture below . what does this picture represent ?

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder