Earth is composed of three(3) compositional layers. Many scientists believe that as Earth cooled the denser materials sank to the center and the less dense materials rose to the top. The least dense layer is the...

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.

cell division is not regulated in tumor cells.