Disappearing roughly 3.9 billion years ago, the geological record that

Question

Disappearing roughly 3.9 billion years ago, the geological record that could serve as evidence for conditions on prehistoric Earth, including proof of the molecules that formed the building blocks of life.

A. Disappearing roughly 3.9 billion years ago, the geological record that could serve as evidence for conditions on prehistoric Earth, including proof of the molecules that formed the building blocks of life.

B. Disappearing roughly 3.9 billion years ago, the geological record serves as evidence for conditions on prehistoric Earth, including proof of the molecules that formed the building blocks of life.

C. The geological record could serve as evidence for conditions on prehistoric Earth disappearing roughly 3.9 billion years ago, including proof of the molecules that formed the building blocks of life.

D. The geological record that could serve as evidence for conditions on prehistoric Earth, including proof of the molecules that formed the building blocks of life, disappearing roughly 3.9 billion years ago.

E. The geological record that could serve as evidence for conditions on prehistoric Earth, including proof of the molecules that formed the building blocks of life, disappeared roughly 3.9 billion years ago.

Source from gmatwhiz

Kudos to excellent explanations.

sharmisthamona2 · Answer

Bad at explaining but i think original one is a fragment
B. Serves might mean after dissapearance of record it is still here 
C.seems by dissapearing record is evidence. Meaning is odd
D. The last ing part is not logically connect to the subject the geological record.
So I choose E
But experts will give better explainations 👍

Posted from my mobile device

GmatKnightTutor · Answer

May help to think about what is disappearing.

winterschool · Answer

Disappearing roughly 3.9 billion years ago, the geological record that could serve as evidence for conditions on prehistoric Earth, including proof of the molecules that formed the building blocks of life.

A. Disappearing roughly 3.9 billion years ago,  the geological record  that could serve as evidence for conditions on prehistoric Earth, including proof of the molecules that formed the building blocks of life.  Incorrect

the geological record is a sentence fragment

B. Disappearing roughly 3.9 billion years ago, the geological  record serves  as evidence for conditions on prehistoric Earth, including proof of the molecules that formed the building blocks of life.  Incorrect

could require - it changes meaning

C. The geological record could serve as evidence for conditions on prehistoric Earth  disappearing roughly 3.9 billion years ago , including proof of the molecules that formed the building blocks of life.  Incorrect

disappearing roughly 3.9 billion years ago - misplaced

D. The geological record that could serve as evidence for conditions on prehistoric Earth, including proof of the molecules that formed the building blocks of life,  disappearing  roughly 3.9 billion years ago.  Incorrect

The geological record disappearing .............. - past form require

E.  The geological record that could serve as evidence for conditions on prehistoric Earth, including proof of the molecules that formed the building blocks of life, disappeared roughly 3.9 billion years ago.   Correct

junii · Answer

Please explain how disappeared become main verb? Chose B

junii · Answer

VeritasKarishma   GMATNinja  @e-gmat please explain this Q

Disappearing roughly 3.9 billion years ago, the geological record that

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Disappearing roughly 3.9 billion years ago, the geological record that

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