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ChemistryThe Periodic Table of Elements IV
Chemical families are groups of elements that are located near each other on the periodic...
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Math in ScienceExponential Equations II
This module introduces exponential equations of the form N=N0 ekt, which describe growth or decay...
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BiologyPaleontology and the Fossil Record
Paleontologists study fossils to understand ancient organisms. While fossils might look simple enough, they provide...
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