| http://www.w3.org/ns/prov#value | - is always_____ the youngest rock layers dip, towards ??? ??? ??? when a geologist collects samples from layers of undeformed ocean floor sediment she knows that the youngest layer is on top and the oldest is at the bottom because of the principle of _____ superposition ??? ??? ??? humans are capable of causing earthquakes true ??? ??? ??? isotopes of the same element have the same number of neutr
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