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Oxygen-Carbon Cycle Connection
life science
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“oxygen cycle” worksheets and activities
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How Humans Disrupt Earth's Cycles
earth and space science · MS-ESS2-1
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Passage
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Photosynthesis and Respiration Connection
life science · MS-LS1-6+1
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Passage
Grade 6
Uses Of Algae
life science
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Passage
Grades 5–8
Photosynthesis
life science · MS-LS1-6
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Passage
Grades 3–5
How Heart and Lungs Work Together
life science · NGSS 4-LS1-1+1
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Effects of Deforestation
life science · 5-ESS3-1
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Climate Threats to Freshwater Ecosystem
weather and climate · MS-LS2-4+1
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Passage
Grades 3–8
What are the reactants of Photosynthesis
life science
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Passage
Grades 3–6
What Makes Earth Perfect for Life?
earth and space science
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Grade 6
What Is The Most Abundant Gas In The Atmosphere
earth and space science
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