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How did planetesmals form planets?

A. they broke apart into smaller chunks.
B. they collided and stuck together.
C. they cooled and pulled ice together.
D. they began to rotate.

User John Fox
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2 Answers

3 votes

Answer:

b

Step-by-step explanation:

because we are on massive chunks of rock ?

User Konstantin Purtov
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3 votes
B. they collided and stuck together.
User Emidander
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