which of the following best describes a shield volcano
A) A volcano that is covered in hardened pahoehoe lava flows
B) A volcano that erupts in blasts of pyroclastic material
C) A volcano that releases pyroclastic material and flowing lava
D) A volcano that has only explosive eruptions
B. a volcano that erupts in blasts of the pyroclastic matter. D. would be wrong because the shield volcano can have explosive eruptions but they are generally quiet