I think randomWhen neutral interactions between individuals and environment; unequal distribution of resources and
A seems most probable.
Oceans are also deeper and larger then Seas.
Any formation in which groundwater rises on its own, under pressure, is called artesian well.
From within the Moon's penumbra, a partial solar eclipse can be seen. Like any other opaque objects illuminated by a light source, the Moon and the Earth cast shadows into space as they block the sunlight that hits them. Each shadow has 3 different areas: the umbra, the penumbra, and the antumbra.