Respuesta :
Answer:
oxygen is more easily dissolved into water with low levels of dissolved or suspended solids. freshwater lakes streams and tap water generally contain much less so so do concentrations are higher.
Explanation:
the amount of salt in any body of water increases, the amount of dissolved oxygen decrease
Answer:
La concentración en mg/L se refiere a veces como partes por millón (ppm) porque un
litro equivale a 1000 gramos de agua dulce y un miligramo es una milésima parte de un gramo.
