What is the name of the most shallow part of the ocean part of the gently slants from the land?

The most shallow part of the ocean bottom that gently slants from the land is The continental shelf...

Answer the collision of tectonic plates;

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!