The Geological Time Scale Indicates the Order of Eras Is

question 6

Multiple Choice

The geological time scale indicates the order of eras is Cenozoic as the most recent; the middle era is the Mesozoic,with dinosaurs as the major group; and the earliest era is the Paleozoic.Consider a hillside of rock that surfaces in your backyard that is identified as dating back to the Mesozoic era.What is possible?

• A)Fossils from all other eras can still be found underneath if you dig far enough.
• B)All periods of fossils were once present in the backyard but older ones were eroded away.
• C)Fossils were mainly deposited when your backyard was sediment,so many layers might be missing,but any layer from Cenozoic to Paleozoic might be found.
• D)Fossils were mainly deposited when your backyard was sediment,so many layers might be missing,but any layer from earlier Mesozoic through Paleozoic might be found.
• E)Only one layer of fossils can be found at any site.

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