If there is a good source of water and shelter.
It does not affect solar energy's availability
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
Those living in a nation-state are often expected to do all of the following except defend the nation from detractors. Thus option (C) is correct.
<h3>What do you mean by Nation?</h3>
Nation refers to the territory where the people and live and they are governed by the same government. The example of the nation is United States, India, United Kingdom etc are the nations.
The people those are living in the nation are expected to spread the cultures and their norms, speak their national as well as the regional languages.
They are not required to the defend the nation from the detractors. Thus option (C) is correct.
Learn more about nationalism here:
brainly.com/question/1018147
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