Into How Many Oceans Is the "World Ocean" Usually Divided

question 105

Multiple Choice

Into how many oceans is the "world ocean" usually divided?

• A) 2
• B) many
• C) 4
• D) 10
• E) none, because there is truly one world ocean

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Definitions:

Prevalence

The proportion of a population found to have a condition at a specific time, often used in epidemiological studies.

Incidence

The frequency or rate at which new cases of a particular disease or condition occur in a population over a specified period.

Mortality

The state of being subject to death; the incidence of death in a population.

Morbidity

The condition of being diseased or the incidence of illness in a population.