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KnovaKNOVA — A free reading app with curriculum-aligned passages on History & Science for Grades 3-8

Composition of the Ocean — Reading Comprehension

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  • RI.5.3
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About This Reader

The ocean is made up of water, dissolved salts, gases, and organic matter. Its composition varies with depth and influences marine ecosystems and global climate.

Perfect For:

👩‍🏫 Teachers
  • • Reading comprehension practice
  • • Auto-graded assessments
  • • Literacy skill development
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  • • Reading practice at home
  • • Comprehension improvement
  • • Educational reading time
🏠 Homeschoolers
  • • Reading curriculum support
  • • Independent reading practice
  • • Progress monitoring

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Reading Passage
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Comprehension Quiz
Auto-graded questions
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