The organic matter that’s been decaying over the winter is being forced to the surface by the spring’s rising groundwater table. In places of near stagnant water the oily products of decay leave a sheen of oils on the water surface.
Middle and High School … from a Montessori Point of View
The organic matter that’s been decaying over the winter is being forced to the surface by the spring’s rising groundwater table. In places of near stagnant water the oily products of decay leave a sheen of oils on the water surface.