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STEP MODULES MR.MOHAMED ELGAYAR MRPROF.NET

8. Why are black holes invisible according to paragraph (5)?

A. They do not allow light to escape( √) .

B. They are very tightly packed.

C. They are too full of gravity

D. They are extremely powerful.

9. What is the best title for this passage?

A. Black Holes: Energy and Age

B. Black Holes: Gravity and size

C. Black Holes: Reality and Mystery( √)

D. Black Holes: Stars and Telescopes

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