The correct answer is option A. the crest of the mid-Atlantic ridge, where new ocean floor is formed
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Explanation:
During the divergent plate boundary we find that two tectonic plates move so that one moves away from the other. This usually forms ocean ridges.
The Mid Atlantic Ridge was formed as a consequence of this movement, caused by the plates of Eurasia and North America and Africa and South America.
When the hot material coming from under the earth begins to rise below these ocean ridges it causes the pressure to drop and begins to melt the hot rocks.
This generates shield-shaped volcanoes and thus the plates are increasingly separated, widening the seabed and creating ocean ridges.
