Part A - List the four most abundant elements (by weigh) in Earth\'s crust. How

Question

Part A - List the four most abundant elements (by weigh) in Earth's crust. How does this abunda with depth in the Earth? Answer this question by using the terms mafic and felsic. Abundance http llen wikipedia.orglwikilAbundance of elements in Earth's crust For change with depth, look at the following. Before ultramafic (more iron and magnesium-rich than mafic). hittp/llpubs.usgs.gov/gip/interior/table gif Essay answers are limited to about 500 words (3800 characters maximum, including spaces). 3800 Character(s) remaining

Explanation / Answer

The four most abundant elements in the Earth's crust are:

Oxygen

Silica

Aluminium

Iron

The abundance decreases with incressing depth.

Iron is mafic while Aluminium and silicon are felsic.

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