Question

Thinner, easy-flowing lavas are rich in ____.

silica
water vapor
volcanic ash
iron and magnesium



A shield volcano ____.
has a steep-sloping cone made up of rocks and lava
erupts with thin basaltic lava
throws rocks and cinders into the air
all of the above



The layer on which the tectonic plates move is the ____.
lithosphere
asthenosphere
core
crust

Answer 1

silica
erupts with thin basaltic lava
crust