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8th SCIENCE Chpt 10
8th Cht 10 CLUES TO EARTH'S PAST LESSON 2
Question | Answer |
---|---|
CORRELATION | process of matching rocks and fossils from separate locations |
INCLUSION | piece of an older rock that becomes part of a new rock. |
INDEX FOSSIL | species that existed on Earth for a short length of time, was abundant, and inhabited many locations. |
LATERAL | refers to a side or a sideways direction. |
RELATIVE AGE | the age of rocks and geologic features with respect to other rocks and features nearby |
SUPERPOSITION | principle that in undisturbed rock layers, the oldest rocks are on the bottom |
UNCONFORMITY | surface where rock has eroded away, producing a break in the rock record |