Why do scientists think earths core contains iron?
a iron is lighter than silicon
b i...
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Advanced Placement (AP), 05.12.2019 06:31 sofiisabella10
Why do scientists think earths core contains iron?
a iron is lighter than silicon
b iron is a heavy element and would sink into the planet
c the crust also contains a great deal of iron
d iron does not conduct electricity
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