Author Question: Energy flow is unidirectional in contrast to nutrients, which cycle in ecosystems. (Read 46 times)

ahriuashd

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Energy flow is unidirectional in contrast to nutrients, which cycle in ecosystems.
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Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

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