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Oceans are kept full by the constant drainage (via rivers, streams, etc.) and precipitation of water into them, causing an equilibrium between what is evaporated and what is coming in. Since Earth is virtually a closed system (no water generally leaves earth or comes to Earth), the amount of water on Earth remains a constant, and whatever is evaporated condenses eventually and precipitates over land or the oceans in the form of rain, snow, hail, etc., and (after melting, if frozen) flows back to the oceans.
What else can I help you with?
What keeps whales and other mammals that live in cold oceans warm?
There blubber or fat keeps them warm.
How long would it take to fill the oceans with a garden hose?
No time at all, since the oceans are already full.
What moon phase are the oceans tide highest?
Full Moon
What keeps the moon from pulling the water right out of earth's oceans?
The gravitational forces are only strong enough to cause tides.
What keeps whales and other mammals that live in the cold oceans warm?
It's a special kind of fat called blubber
Are all parts of the Earth's oceans full of sea life?
no but almost every part of it is
What is the frosted mini wheats jingle?
"Keeps 'em full and focused."
What stops the water in oceans from falling out?
The force of gravity keeps the water in the oceans from falling out into space. Additionally, the shape of the Earth's surface, with depressions like ocean basins, also helps contain the water within the boundaries of the oceans.
What keeps river water flowing toward the ocean?
River water flows to oceans due to the slant of land, water always runs down hill, so water were settle wherever it can, and oceans are a massive place
Is it possible to keep a salmon as a pet?
No. Salmon require a LOT of water - oceans full of it, in fact.
What geographic feature keeps moisture from the pacific oceans from reaching the interior of the US?
Sierra Nevada range
Why is your freezer full of frost?
Believe it or not, it keeps food cold! Hints in the name.
