Which of the following statements is false?
A. When the gas gets trapped under extreme pressure, it causes a less explosive eruption when it is released.
B. Basaltic lava contains less silicon dioxide and is very fluid, causing slow, non-explosive eruptions.
C. Granitic magma contains much more silicon dioxide and is not as fluid.
D. Tephra refers to any material that is ejected from a volcano during an explosion, including pumice, volcanic ash, and cinders.

Question

Which of the following statements is false?
	A.	When the gas gets trapped under extreme pressure, it causes a less explosive eruption when it is released.
	B.	Basaltic lava contains less silicon dioxide and is very fluid, causing slow, non-explosive eruptions.
	C.	Granitic magma contains much more silicon dioxide and is not as fluid.
	D.	Tephra refers to any material that is ejected from a volcano during an explosion, including pumice, volcanic ash, and cinders.

jmansedg · Answer

Cinder cone volcanoes
	A.	build layers that form gently sloping sides.
	B.	are typically much smaller than composite volcanoes.
	C.	are formed from basaltic lava that quietly erupts over time.
	D.	are usually formed at converging plate boundaries.