Only a tiny percentage of organisms becomes fossils. Soft-bodied organisms are the least likely to become fossils. Quick burial is almost always essential for remains to become fossils.
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Atomic number shows the number of protons in the nucleus of an atom.
Atomic weight shows the is an another term for atomic mass, which means <span>It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.</span>
I believe the answer may be a sea breeze