Watershed and Ocean Ecosystems

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An area or ridge of land that separates waters flowing to different rivers, basins, or seas.

5 Ways a human negatively affect ocean ecosystems

1.oil spills



4.spilling chemicals down the drain

5.sediment falling into the water

The Positive Affect

1.Groups that help clean

2.Limit the fishing

3. Laws against littering

4.Taking precautions to spilling things you don't know about

5.Placing things in certain areas