Question

8. There is reason to believe that they have saved the crew.
Begin: It is
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Answer 1

Explanation:

the answer is:-

answer:- it is reasonable to believe that they have saved the crew.

reason:-

without changing the meaning of the sentence,we have successfully started the sentence from the words that were given in the question " it is" .

hope it helps you.......

Answer 2

Answer:

In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.