Answer: parallax is the best answer
What does the diagram represent here? I am having trouble understanding
Estuary, is a partially enclosed body of water formed where a river flows in an ocean.
We see all of the moon's <em>shapes</em> every 29.53 days. But
there's about 45% of its <em>surface</em> that we never see.
Yes, having two colored eyes is considered a mutation
