Volcanic bombs are ____________.
A) pyroclastic blocks that acquire aerodynamic shapes during flight out of the volcanic vent
B) explosive bodies of lava with high volatile content
C) cinders that explode upon impact with the ground
D) used by geologists to set off small eruptions in volcanoes that are deemed potentially dangerous
Correct Answer:
Verified
Q1: Pahoehoe _.
A)forms when basaltic lava flows cease
Q2: A fast-moving flow consisting of a mixture
Q4: Ash,cinders,and blocks are all types of _.
Q5: Most terrestrial volcanic glass _.
A)is highly silicic
Q6: Olympus Mons,the largest known volcano in the
Q7: Gases that are abundantly emitted by volcanoes
Q8: Basaltic lavas _.
A)contain more iron and magnesium
Q9: Columnar jointing is a type of fracturing
Q10: In 79 C.E. ,the citizens of Pompeii
Q11: Mafic magmas are distinguished by _.
A)light coloration
B)low
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