It’s a land area that channels rainfall and snowmelt to creeks, streams, and rivers, and eventually to outflow points such as reservoirs, bays, and the ocean. (source #6)

Solar energy is radiation from the Sun capable of producing heat, causing chemical reactions, or generating electricity. (source #7)

Includes the area from a line approximating the mean high water along the mainland or island as far out as 100 nautical miles including the bays, harbors and sounds. (source #4)

an area of ocean that is far from land. (source #5)