Answer:
Explanation:
Gradient refers to the ratio of fall in elevation to the horizontal distance traveled.
A low gradient stream can suddenly be converted into the high-gradient stream when flows pass over the edge of gradually destroyed rock surface as it passes to a low level.
The inclusion of rock during the motion of the stream can change its gradient by altering its velocity.
Monopolies are the only provider, they can set pretty much any price they choose, regardless of demand, because they know the consumer has no choice. They can also supply inferior products
