Respuesta :
Large rocks found in the willamette valley, originating hundreds of miles to the northeast, and having no relationship to the local bedrock where they are found.The correct option A is are valleys flooded by seawater.
When a region of freshwater meets a region of ocean water, this location is known as an estuary in the study of geography. When valleys are inundated by seawater in a way that the ocean water mixes with the valley's freshwater, estuaries are formed.
The aquatic species in the freshwater in the valley may be impacted by the sea water's high salt concentration. The development of estuaries disturbs freshwater aquatic flora and animals river transport rodents giant glacial lake outburst floods.
Complete question:
large rocks found in the willamette valley, originating hundreds of miles to the northeast, and having no relationship to the local bedrock where they are found, are where they are today because of group of answer choices leftover material from road construction mischievous geologists river transport rodents giant glacial lake outburst floods
A. are valleys flooded by seawater.
B. Where the rocks are found
C.The age of the rocks
D. How the rocks are formed
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