| http://www.w3.org/ns/prov#value | - Chronic exposure to even relatively low levels causes headaches, loss of appetite, drowsiness, nervousness, psychological disturbances and diseases of the blood system, including anemia and bone marrow diseases.The best plants for removing benzene were determined to be English Ivy, Dracaena marginata, Janet Craig, Warneckei, Chrysanthemum, Gerbera Daisy, Peace lilyFormaldehydeFormaldehyde is a ubi
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