Can the Age of the Earth Be Reliably Estimated from Sediment

Multiple Choice

Can the age of the Earth be reliably estimated from sediment thicknesses?

A) Yes.Sedimentation rates remain constant at any one locality throughout the Earth's history.
B) Yes.Sedimentary rocks are rarely metamorphosed or melted.
C) No.Sedimentary rocks make up only a small fraction of the rocks on the Earth's surface.
D) No.Most of the Earth's history is represented by unconformities between strata rather than the strata themselves.