Melting of Earth's Crust Yields Mostly Silica-Rich Magmas Because ____

question 18

Multiple Choice

Melting of Earth's crust yields mostly silica-rich magmas because ____.

• A)the most abundant minerals in Earth's crust are silicates
• B)silica is more easily melted than other minerals
• C)many minerals produce silica when melted
• D)silica has extremely low viscosity and move quickly up to Earth's crust from far underground
• E)when silicon reacts with sodium chloride it form silica

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