Pillow lavas are ________. andesitic bombs erupted from a cinder cone that accumulate as pillow-like masses around the cone rhyolite glasses that develop a banding that resembles a pillow case with internal snowflake obsidian that looks like feathers basaltic magmas erupted on the seafloor as magma blobs from an explosive, submarine eruption basaltic lava tubes erupted on the seafloor in volcanic piles analogous to toothpaste extruded from a tube