The ocean’s sunlight environment is generally much richer in marine life closer to the continents than is the open sea farther from the continents. Explain why the open sea is sometimes called the blue

Brother ur in collage do it yourself or i will tell prof. mike

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It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on