Ocean is a large water Mass which occupies 71% of the earth surface.almost cover a saltwater.there are most five oceans which are pasific Atlantic Indian Southern and arctic ocean
@wolfang14
1.Size and depth, the size and depth can vary significant for example pacific ocean is the largest ocean in the world which cover Large area
2.salinity and temperature,can vary depends on factor such location, depth and current for example arctic ocean have low salinity and temperature compared to other Ocean
3.marine life, each ocean support unique and diverse range of life
4.Geographical feature, The feature of an ocean such as coastaline island and under water mountain can vary greatly
5.Human impact, human activities such population,over fishing and coastal development can have significant impact on the health and sustainability of the ocean