Part A:
• It is self-explanatory. Just re-read passage and draw the arrows that most satisfies the question.
Part B:
• IGENOUS and SEDIMENTARY rock can transform one kind of rock into another over a long period of time.
• Marble is an example of a METAMORPHIC rock.
• Stripes in Metamorphic rock form when parts of the rock MELT (my best answer for that one).