Dissociate in water because water is a polar molecule
Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope.
The fossil record shows a sequence from simple bacteria to more complicated organisms through time, it is very reliable because it is physical evidence and by studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth.
Answer:
All organic molecules are made up of carbon compounds so we can say that the main atom or molecule is carbon.
hope it helps!
Complex molecules are made up of other elements bonded with carbon. Carbon is able to bond with other molecules so easily because it has four valence electrons.
