4. Name the hummocky landforms near the lower center part of the image (not the mountains):

5. These features are primarily a result of: (highlight the right answer)

a) Water
b) Wind
c) Ice
d) Tectonics

6. Why/ How do you know? Describe what you see using terms you’ve learned in this course. What observations can you make about the form of this feature that can tell us about the processes at work?

- The hummocky landforms correspond to a roche moutonnée.

- Roche moutonnée  are mainly the result of ice (option c).

- The existence of characteristics on the surface of the formation, such as alternating erosion with smooth surfaces, in addition to the existence of depressions or glacial striae indicate the possibility that it is a Roche Moutonée .

Explanation:

Roche moutonnée is a geological and glaciological term that indicates the formation of asymmetric surfaces, with smooth spaces and eroded areas, product of physical agents, as a consequence of the melting of a glacier. This formation is also called sheep's back.

The main cause of the Roche Moutanée formation is ice, that is, the contact of a glacier with the rock on the surface, which causes erosion both by the pressure of the frozen water body and by the effect of the water melting. , producing the smoothed and eroded forms -by infiltration in the rock- characteristic of this rock formation.

The erosive marks, which even form striae, in contrast to the smooth surfaces, are evidence of the existence of a sheep's back, which has been the product of the compressive effect of ice and the effect of dragging and detachment of rock with water , as it melts and exits the glacier.

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