Sol definition, the syllable used for the fifth tone of a diatonic scale. See more.
Examples of index fossils. Index fossils (also known as guide fossils, indicator fossils or zone fossils) are fossils used to define and identify geologic periods (or faunal stages).
User: Index fossils are used to determine the _________ of the rock. Weegy: Geologic age D) Rock type E) Color. C ... How can fossils be used to determine when in the geologic time scale a sedimentary rock ...