Question
Look at this section of a tectonic map. Describe what is happening at the plate boundary.
Techtonic map of Earth with dotted line boundary drawn in the center of the Atlantic Ocean and a diagram of techtonic plates shifting left and right along that dotted line boundary
The seafloor is spreading.
An oceanic plate is subducting.
Two continental plates are colliding.
Two plates are sliding past each other.
Techtonic map of Earth with dotted line boundary drawn in the center of the Atlantic Ocean and a diagram of techtonic plates shifting left and right along that dotted line boundary
The seafloor is spreading.
An oceanic plate is subducting.
Two continental plates are colliding.
Two plates are sliding past each other.
Answers
GPT-4o mini
Based on your description of the tectonic map with a dotted line boundary in the center of the Atlantic Ocean and the diagram of tectonic plates shifting left and right along that boundary, it indicates that **the seafloor is spreading**. This is characteristic of a divergent boundary where two tectonic plates are moving away from each other, leading to the formation of new oceanic crust as magma rises to fill the gap. This process is commonly observed at mid-ocean ridges, such as the Mid-Atlantic Ridge, which is consistent with your description of the tectonic activity in the Atlantic Ocean.