Question

"Stream piracy"_____________.

Answer 1

Answer:

B. Results when headward erosion causes one stream to intersect the course of another stream.  

Explanation:

Headward erosion of a low level stream can extend to intersect a higher level stream and draw away its water.

The diagram below shows Stream A eroding headward into Stream B and capturing its water flow.

A.is wrong. A water gap still carries water today.

C. is wrong. The captured stream dries up, while the pirate stream increases its flow.

D. is wrong. A dramatic example did occur in the Yukon in 1916, However, stream captures do not occur frequently.

Answer 2

Answer:

B

Explanation:

Stream piracy or capture is a geological process whereby stream or river drainage system or watershed is diverted from its own bed, and flows instead down the bed of a neighboring stream. Some of the causes of stream piracy or capture include, hardware erosion, natural damming and tectonic activities on the earth's surface.