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Thus, one carbon 14 atom exists in nature for every 1,000,000,000,000 C12 atoms in living material.
Because the great variety of subsurface voids and deposits are protected from surface weathering and disturbance, karst preserves a record of environmental change more faithfully than most other geological settings.
Thus, one carbon 14 atom exists in nature for every 1,000,000,000,000 C12 atoms in living material.
Because the great variety of subsurface voids and deposits are protected from surface weathering and disturbance, karst preserves a record of environmental change more faithfully than most other geological settings.