I believe it's going to be (2,3)
Ferromagnesian vs. non-ferromagnesian
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1-Contains Magnesium and Iron 1- Contains little or no Magnesium &
as major components Iron
2- Color: very dark 2- Color: Generally lighter
3- Density relatively high 3- Density relatively low
Answer:
The largest portion of earth is the mantle... If you're talking about Earth's surface it's water...
Good Luck!!!
No. The earth is not flat.
