منابع بازافغانستان آنتې چلوي او اندو ياده کينيس شِراونچې

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Ocean Odyssey: Food Matters

     
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We often think of food webs on land. There
are interesting food webs in the ocean, too.
This lesson explores how scientists know
that matter flows from food to the animals
eating it, then links to the idea that this
transfer of matter means that plastics in the
ocean are a reason for concern.


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Lesson Plans

چرکن کيکالا

NOAA

جواز/ چاپس حق دارکاليى

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