Spreading centers are an ideal location for volcanism because ______________.
A) they sit above the high-temperature asthenosphere
B) the asthenosphere rock has low percentages of SiO2
C) the oceanic plates pull apart causing hot asthenosphere rock to rise and undergo decompression melting to form magma that continues to rise
D) All of the choices are correct.
Correct Answer:
Verified
Q2: The most famous of all volcanoes probably
Q3: Areas of geyser activity include _.
A)Iceland
B)Yellowstone Park
Q4: The viscosity of magma is lowered by
Q5: The most peaceful eruptions are _.
A)Icelandic type
Q6: The presence of water _ the melting
Q7: The typical trend in a rising plume
Q8: If basaltic lava reaches the sea or
Q9: The volcanic explosivity index (VEI)measures size of
Q10: Slow flowing,more viscous basaltic lava commonly has
Q11: Silicon and oxygen link up to form
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents