It introduces a diverse array of bacteria, algae, and invertebrates to the closed marine environment and functions as a superior biological filter
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I think it's 11.56 minutes
Gravitational force -an attractive force that exists between all objects with mass; an object with mass attracts another object with mass; the magnitude of the force is directly proportional to the masses of the two objects and inversely proportional to the square of the distance between the two objects.