Two streams that have no perennial tributaries meet to form a larger stream. That larger stream would be considered a _____ stream.
A)first-order
B)second-order
C)third-order
D)fourth-order
E)fifth-order

Question

Two streams that have no perennial tributaries meet to form a larger stream. That larger stream would be considered a _____ stream. ​
A)first-order
B)second-order
C)third-order
D)fourth-order
E)fifth-order

Quizplus · Accepted Answer

According to the Strahler Stream Order classification, when two first-order streams (streams with no perennial tributaries) meet, they form a second-order stream.

Two Streams That Have No Perennial Tributaries Meet to Form