Question: Which statement comparing felsic rocks to mafic rocks is true? a. Felsic rocks have less silica and less iron and magnesium than mafic rocks

Which statement comparing felsic rocks to mafic rocks is true? a. Felsic rocks have less silica and less iron

Which statement comparing felsic rocks to mafic rocks is true? a. Felsic rocks have less silica and less iron and magnesium than mafic rocks b. Felsic rocks have more silica and more iron and magnesium than mafic rocks. c. Felsic rocks have more silica and less iron and magnesium than mafic rocks. d. Felsic rocks have less silica and more iron and magnesium than mafic rocks. QUESTION 4 Why does most magma form at divergent plate boundaries? a. Pressure decreases as the hot mantle rock rises. b. Water is added as minerals release water. C. Temperature increases as rock lowers within Earth. QUESTION 5 Which answer correctly matches the melting location with the cause of melting? a. divergent boundary, increased temperature b. convergent boundary with subduction, added water c.mantle plume and hotspot volcano, increased pressure

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