Question

question: whats the point at which a stream forms and begins to flow called? answer options: select one of four gradient base estuary headwater

Explanation:

• Gradient refers to the slope of the stream's channel, not the starting point.
• Base (base level) is the lowest point a stream can erode to, not the origin.
• Estuary is where a river meets the sea, a tidal mouth, not the start.
• Headwater is the source or the point where a stream begins to flow, formed by sources like springs, snowmelt, etc.

Answer:

D. Headwater