4 Select the correct answer.
Which of the following is evidence of the past existence of glaciers?
A.
rift valleys
B. fjords
C.
estuaries
D.
oceanic ridges

B. fjords

explanation :

Fjords were created by glaciers. In the Earth's last ice age, glaciers covered just about everything. Glaciers move very slowly over time, and can greatly alter the landscape once they have moved through an area. This process is called glaciation.The fjords are one of the glaciers that existed in the past. They are one of the many glacial relief forms that can give us a insight into the size and power of the glaciers.

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