Science - Unit 2

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Author:
GRIZELLE
ID:
189439
Filename:
Science - Unit 2
Updated:
2012-12-14 01:14:20
Tags:
Science
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Description:
Unit 2 - Benchmark Review
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  1. D. because models can be used to describe how things work
  2. G. solar system
  3. D. stars
  4. F. Betelgeuse
  5. B. The center is vry dense with many stars, and density decreases farther out.
  6. F. The larger star must be brighter.
  7. D. The outer planets take longer to orbit the sun than the inner planets do.
  8. H. a comet
  9. C. Saturn
  10. G. a bright, narrow band of stars

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