It's an area that is organized around a focal/nodal point where there is a central focus. The central diminishes as you move outwards from the point. Generally used to display information about economic activities.
A shortage of food that results in widespread hunger is called famine.
Because you can see all the mountains that are on the world and just understand it better<span />
If you look on openstudy.com they have lots of answers to this :-)
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