Which of the following does NOT happen to any of the material in the protoplanetary disk?
A. it is sucked in to a black hole at the center of our Solar System
B. it gets incorporated into the star at the center, the Sun
C. it is accreted onto planets in the Solar System
D. it first falls into small irregularities and later these clumps grow into larger structures
E. it is blown out by the solar wind
Ans: A. it is sucked in to a black hole at the center of our Solar System
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