adamharrison181 adamharrison181

25-11-2014
Chemistry

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ponds and rivers are two types of

• marine ecosystems
• rain forest biomes
• freshwater ecosystems
• estuary ecosystems

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Аноним Аноним

25-11-2014

Ponds and rivers are two types of . . . . freshwater ecosystems

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26-11-2014

Freshwater ecosystems, because marine includes things more like the ocean depths, rain forests are FORESTS, and rivers and ponds have fresh water.

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