The part of the earth's crust that is covered by oceans and seas is called
Answer Details
The correct answer is hydrosphere.
The hydrosphere is the part of the Earth's surface that is covered by water, including oceans, seas, rivers, lakes, and other bodies of water. It makes up about 71% of the Earth's surface and is essential to life on the planet. The hydrosphere is constantly moving and changing due to the water cycle, which involves evaporation, precipitation, and the flow of water from one place to another.