brody compared the kinds of magma formed in the various types of volcanoes. he knew that the amount of…

brody compared the kinds of magma formed in the various types of volcanoes. he knew that the amount of silica that magma contains will affect its flow. he learned that a slow, steady flow of magma can form shield volcanoes in some places. what is one cause for the formation of a shield volcano? a. earthquake b. caldera c. hotspot d. lava plateau

brody compared the kinds of magma formed in the various types of volcanoes. he knew that the amount of silica that magma contains will affect its flow. he learned that a slow, steady flow of magma can form shield volcanoes in some places. what is one cause for the formation of a shield volcano? a. earthquake b. caldera c. hotspot d. lava plateau

Answer

Brief Explanations:

Shield volcanoes often form over hotspots. Magma rises from deep - seated mantle plumes (hotspots) and creates a slow, steady flow of low - viscosity magma which builds up the broad, gently sloping shield volcano. Earthquakes are related to tectonic plate movements and not directly to shield volcano formation. A caldera is a large depression formed after a volcanic eruption, not a cause of shield volcanoes. A lava plateau is a large area covered by lava flows, not a cause for the formation of a single shield volcano.

Answer:

C. hotspot