HS-LS2-6
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Sea Otter Forensics
$17.95 – $145.95Why are the sea otters dying?
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Acid Rain and Buffers
$12.95 – $92.95Learn how certain types of lake bottoms can act as buffers.
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Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new
ecosystem.