Answer:
Mature river: A river with a gradient that is less steep than those of youthful rivers and flows more slowly. A mature river is fed by many tributaries and has more discharge than a youthful river. Its channels erode wider rather than deeper.
Explanation:
Answer:
well 8 x 25 = 200 so thats the volume
Explanation:
The largest canyons and deepest valleys were created by moving water.
Answer:
In sub saharan africa south asia and the Pacific fertility rates have doubled in the last 25 years