The seafloor landforms G, C and F are as follows; C = mid-ocean ridge ; F = trench; G = abyssal plain
Looking at the image attached of the seafloor landforms, the alphabets represent the following;
A = continental shelf
B = continental slope
C = mid-ocean ridge
D = continental rise
E = volcanic arc
F = trench
G = abyssal plain
A mid-ocean ridge is a seafloor mountain system formed by plate tectonics. It typically has a depth of about 2,600 meters (8,500 ft) and rises about 2,000 meters (6,600 ft) above the deepest portion of an ocean basin.
Trenches are formed by subduction which is a geophysical process in which two or more of Earth's tectonic plates converge and the older, denser plate is pushed beneath the lighter plate and deep into the mantle, causing the seafloor and outermost crust to bend and form a steep, V-shaped depression.
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