Answer:
the harsh climate of the Sahara and the Sohail was influence to re culture of the century
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
It has a big impact on the tides because of gravity