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List the types of rocks that form from rhizarian remains.
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- How is the layer of iridium used to tell the relative age of different rock strata and fossils?Radiometric dating measures the decay of radioactive isotopes present in layers where fossils are found. True FalseDescribe three ways that an organism can leave a recordin sedimentary rocks and explain why this means that thereare gaps in the fossil record.
- Identify factors that promote or inhibit fossilization. Promote Inhibit Answer Bank low levels of environmental oxygen sun, wind, and rain rapid burial aquatic environment scavengers absent bacteria presentWhich of the following shows the correct sequence of periods in the Mesozoic era: a) Triassic, Jurassic, Cretaceous b) Cretaceous, Jurassic, Triassic c) Jurassic, Cretaceous, Triassic d) Triassic, Cretaceous, JurassicDistinguish between relative and absolute dating of fossils