The North American plate is moving away from the Eurasian plate. The diagram shows this event in Iceland. What geological features and processes are likely to occur in the future along the ridge? A. Sea levels will rise, eroding the coastline near the ridge. B. Seawater will erode the land underneath the ridge, creating caves. C. Volcanic activity will shape the land along the ridge through plate fissures. D. Plate movement will cause tsunamis to flood and erode the coastline near the ridge.
Question
The North American plate is moving away from the Eurasian plate. The diagram shows this event in Iceland. What geological features and processes are likely to occur in the future along the ridge? A. Sea levels will rise, eroding the coastline near the ridge. B. Seawater will erode the land underneath the ridge, creating caves. C. Volcanic activity will shape the land along the ridge through plate fissures. D. Plate movement will cause tsunamis to flood and erode the coastline near the ridge.
Solution
C. Volcanic activity will shape the land along the ridge through plate fissures.
This is because the North American and Eurasian plates are diverging, or moving away from each other, at the Mid-Atlantic Ridge, which runs through Iceland. This divergence creates a gap where magma from the mantle can rise to the surface, causing volcanic activity. Over time, this process, known as seafloor spreading, can create new crust and shape the land along the ridge.
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