And in the process of passing through the wetland and percolating through the ground, the water encounters microbes that live on the surfaces of the plants and the surfaces of the soil, and that purifies the water.
Dalam proses melewati lahan basah dan merembes ke dalam tanah, air berpapasan dengan mikroba yang hidup di permukaan tanaman dan di permukaan tanah, dan proses itu memurnikan air tersebut.