A stream in its youth exhibits which of the following sets of characteristics?
A)broad meanders and a wide floodplain
B)few rapids and waterfalls and a U-shaped valley
C)steep gradient and a V-shaped valley
D)low gradient and the presence of oxbow lakes

Question

Quizplus · Accepted Answer

A stream in its youth typically has a steep gradient and a V-shaped valley. This is because the water is flowing quickly downhill and eroding the sides and bottom of the valley, creating a V-shape. As the stream matures, it may develop meanders and a wider floodplain (choice A), but this occurs later in its life cycle. Choice B is incorrect because few rapids and waterfalls would suggest a stream in its old age, as these are features that develop as a stream approaches its base level, or the point where it has reached sea level and can no longer erode further downwards. Choice D is also incorrect because oxbow lakes form in streams in their old age, not in their youth.

A Stream in Its Youth Exhibits Which of the Following