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Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?
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There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?
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Using data from seismic waves, geologists have learned that earthβs interior is made up of several
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In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
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Describe three main ways in which plates move along plate boundaries?
This is science not chemistry...
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