Molecular homology, because it compares dna
Neutralisation is when you have a strong acid and also a strong base (alkali) E.g 7 ph.
<span>..has evaporated from all the water sources around the world (streams, rivers, ponds, seas, oceans etc).
It is am established fact that the quantity of water present on the Earth has remained constant from the beginning of time. At any given point in time it may exist in one of its three forms i.e.ice, water or water vapor but there is no variation in its total quantity (hydrological cycle).</span>
A carbon atom has 4 valence electrons
Answer:
3, Matter cannot be created or destroyed, only transformed