Understanding the ages of related fossil species aids scientists in reconstructing an organism's evolutionary history. Relative dating arranges geologic events in chronological order without requiring each event to be assigned a specific numerical age.
Answer:
water covering earth surface is 71 percent. e 97 percent. frozen freshwater less than 1 percent
Explanation:
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They are paired, placed in launae and have canaliculi to receive and send nutritive materials to matrix.
Answer: B costal erosion causes the beach to wear away
