If the Magma Cools and Solidifies Below the Surface,it Crystallizes

Q23: The most abundant dissolved gas in magmas

Q24: Magma rising in a subduction zone tends

Q25: The presence of water _ the melting

Q26: No magmas contain dissolved gases.

Q27: The process of mineral formation in a

Q29: Slow flowing,more viscous basaltic lava commonly has

Q30: If the magma reaches the surface,it forms

Q31: Basaltic magmas have low contents of SiO₂,low

Q32: Hawaiian volcanoes produce andesitic lava.

Q33: About 80 percent of the magma reaching