The continental shelf is a submerged extension of a continent, typically found at the edges of landmasses. It is characterized by shallow waters and gradually slopes down to deeper ocean areas. This region is rich in marine life and resources, making it important for fishing and oil exploration. The continental shelf usually extends up to 200 nautical miles from the coastline, although some countries may claim larger areas. It plays a crucial role in the Earth's ecosystem, providing habitats for various species and serving as a vital area for human activities like fishing and shipping.