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Why the dinosaurs died out is not known.

A. it is not known

B. the reason is not known

C. that is not known

D. No improvement

Answer: Option D

Solution(By Examveda Team)

Why the dinosaurs died out is not known.

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Comments ( 1 )

  1. Elle Emirate
    Elle Emirate :
    2 years ago

    E: True

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