Oceans cover 70% of the Earth's surface, and the Earth has about 620,000 kilometers of coastline. This is where the land meets the sea, a significant place in the world's geography. Coastlines are home to diverse ecosystems and human settlements.
Oceans cover 70% of the Earth's surface, and the Earth has about 620,000 kilometers of coastline. This is where the land meets the sea, a significant place in the world's geography. Coastlines are ho… [+3829 chars]