How does the lava that forms a steep-sided volcano (a stratovolcano) compare to the lava that forms a shallow-sloped volcano (a shield volcano)?
A) The lava is thicker (higher viscosity) for the steep-sided stratovolcano.
B) The lava is runnier (lower viscosity) for the steep-sided stratovolcano.
C) The lava comes from deeper in Earth's mantle for the steep-sided stratovolcano.
D) The lava comes from a very shallow layer of Earth's crust for the steep-sided stratovolcano.
E) The lava contains more metal for the steep-sided stratovolcano.
A) The lava is thicker (higher viscosity) for the steep-sided stratovolcano.
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