Fun with Geoscience Trivia

Question Answer
1. Of what does a marigram record the rise and fall? TIDES
2. How many periods are there in the Paleozoic Era, if the Mississippian and Pennsylvanian are rolled into the one Carboniferous period? SIX
3. What term is given to the needle-like siliceous objects found in the tissues of some animals, such as sponges, and common in the recent fossil record? SPICULES

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