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The use of a grass filter "blank" can help block nitrates and pesticides from washing into the water system in runoff from cultivated fields.
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Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm
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The primary organisms involved in the process bacteria and fungi.
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Why do the circulatory systems of land vertebrates have separate circuits to the lungs and to the rest of the body?
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The use of a grass filter "blank" can help block nitrates and pesticides from washing into the water...
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