Something people think is true is C.Belief
Most organisms rely on the sun as a primary source of energy
The correct answer is Tar
I think it is called the METAMORPHIC ROCK.
It formed not only when the pressure changes but also with the heat.
Good luck :)
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.