What biome white-headed woodpeckers are best adapted to living in
2 answers:
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Answer:
3.29ft/mi
Explanation:
The gradient of a river is the slope through which a river flows. It measures the vertical drop in elevation of river to the horizontal distance.
Mathematically;
River gradient =
Elevation = 1229ft
Horizontal distance = 373miles
River gradient = = 3.29ft/mi