Answer:
The characteristics and definitions for each concept are stated below:
Rift zone
Definition: a characteristic of shield-type volcanoes where linear cracks appear in near their premises
Characteristic: near the continental margin
Abyssal plain
Definition: a flat area found under the ocean, found in depths ranging from 3,000 metres and 6,000 metres
Characteristic: very flat part of ocean floor
Ocean trench
Definition: a very long ditch in the ocean floor
Characteristic: site of seafloor spreading
Seamount
Definition: a mountain located on the ocean floor
Characteristic: underwater volcano
Explanation:
