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A) At least two 'piles' of rock the size of continents are crashing together as they shift at the bottom of Earth's mantle, 2,900 km beneath the Pacific Ocean, researchers say.
B) This 'super volcano', seismologists believe, is due to erupt in 200 million years' time.
C) 'What we may be detecting is the start of one of these large eruptive events that - if it ever happens -could cause very massive destruction on Earth', said the seismologist Michael Thorne .
D) Life on Earth could be facing threat from a catastrophic 'super volcano'.
E) However, disaster is not imminent. 'This is the type of mechanism that may generate massive plume eruptions', he sums up.
F) He is the study's principal author and an assistant professor of geology and geophysics at the University of Utah.
Directions (Q. 16 to 20):
Rearrange the following sentences (A), (B), (C), (D), (E) and (F) to make a meaningful paragraph and then answer the questions which follow. A) At least two 'piles' of rock the size of continents are crashing together as they shift at the bottom of Earth's mantle, 2,900 km beneath the Pacific Ocean, researchers say.
B) This 'super volcano', seismologists believe, is due to erupt in 200 million years' time.
C) 'What we may be detecting is the start of one of these large eruptive events that - if it ever happens -could cause very massive destruction on Earth', said the seismologist Michael Thorne .
D) Life on Earth could be facing threat from a catastrophic 'super volcano'.
E) However, disaster is not imminent. 'This is the type of mechanism that may generate massive plume eruptions', he sums up.
F) He is the study's principal author and an assistant professor of geology and geophysics at the University of Utah.
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