Most of these craters were erased on Earth by subsequent tectonic and erosional processes, but they remain the major surface feature of the Moon.
(Most of these craters; were erased; L:on Earth; by subsequent tectonic and erosional processes) (they; remain; the major surface feature of the Moon)
Most of these craters they
were erased remain
L:on Earth by subsequent tectonic and erosional processes
the major surface feature of the Moon