As plastic travels through the ocean . it poisons fish that eat it.
it does not change in size.
it carries living organisms from one part of the world to another.
it eventually poisons humans who eat the fish.

age range would be the answer

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.