I coudnt post the map but i can add it on another post EXERCISE 10.8 DEDUCING TH

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I coudnt post the map but i can add it on another post

EXERCISE 10.8 DEDUCING THE HISTORY OF THE SUSQUEHANNA RIVER a. Figure 10.17 shows a part of the Valley and Ridge province in Pennsylvania. What is unusual about the relationship between the Susquehanna and Juniata rivers and the ridge and valley topography? Most of the small streams flow in the elongate valleys but the Susquehanna and its tributary, the Juniata River, cut across the ridges at nearly right angles. It is tempting to think that the big streams had enough energy to cut through the ridges while the small ones couldn't, but this is not the case. The answer lies in a multi-stage history of which only the last phase is visible today. b. Why do most of the smaller streams flow in the elongate valleys? c. Suggest as many hypotheses as you can to explain why the two larger rivers cut across the valley and ridge topography. Hint: how might the landscape have been different at an earlier time? Rivers with enough energy to cut through the ridges should certainly have been able to simply meander around them, but the Susquehanna and Juniata rivers didn't take the easy way out. It's almost as ifthey didn't even know the ridges and valleys were there. As a matter of fact... but no more help. d. With that clue, suggest a series of events that explains the behavior of the Susquehanna and Juniata rivers. Hint: this type of stream is called a superposed stream.

Explanation / Answer

a.Though you not provide any topographic map in this part and still asking about its topography i am bit confused to answer.Still i am trying and hope it will fullfill your need.

b.The explanation of the second part of the answer lies in the history of the formation of the Susquehanna and Juniata river valley.

c.I already give the idea about the crosscut relation of the river and its Juniata tributary to the ridges present there.

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