The answer is volcanic mountains
I think it would be choice B
Answer:
The Colorado River (that is The lost river) proceeds from Rocky mountains into the Gulf of Calfornia. At the US & Mexico border, the Colorado river deflects into the farmland & orchards of different states of USA eldorado valley and other smaller basins.
After eight weeks of running through its delta, the fresh waters of the Colorado River meets the high tides of the briny sea.
Colorado’s nutrient-rich freshwater used to mixed with the Upper Gulf’s salty tides to create the perfect water chemistry and nursery grounds various water creatures of great commercial and cultural importance to the region, this was prior to the construction of big dams and diversions of the 20th century.
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