Multiple Choice
There has been some success demonstrated in controlling lava flows by using ____.
A) water to harden the leading edge of the flow
B) bulldozed trenches for the lava flow to follow
C) high explosives to disperse the lava over a wide area to cool
D) levees of older lava to funnel the flow into a valley
E) aerial bombing of the volcano caldera
Correct Answer:
Verified
Correct Answer:
Verified
Q6: Lava flows present one of the most
Q7: A surge is a(n) _.<br>A)upthrust in a
Q8: While on a visit to the Pacific
Q9: The threat of volcanic disaster from volcanoes
Q10: A pyroclastic flow cannot cross bodies of
Q12: Lava flows _.<br>A)move so slowly that they
Q13: Any volcanic mud or debris flow is
Q14: The caldera now filled by Crater Lake<br>A)is
Q15: The town of Bend, Oregon _.<br>A)is in
Q16: Airplanes may experience risks from volcanic eruptions