The water used in the miller urey experiment was used to mimic what part of early earth?

The conditions thought at the time to be present on the early Earth, and tested the chemical origin of life under those conditions.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass