It is false that cytoplasm is a single substance like water.
It consists of 80% water, but has other elements as well.
Proteins, carbohydrates, nucleic acids, and lipids
As of right now, the land is pretty spread out. But millions of years ago, like, we're talking dino time, all the land was just one chunk. This chunk was called Pangaea, or Pangea. But before everything split apart into multiple continents, there was just one; a supercontinent. Hope that helps!
