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Oceans and seas Cover more than half the Earth’s surface
The Atlantic Ocean
The Pacific Ocean
The Arctic Ocean
The Indian Ocean
Many plants and creatures live in the sea.
Tiny creatures build coral reefs.
There are high mountains and deep valleys under the sea.
The deepest part of the sea is the Marianna trench in the Pacific Ocean.
The blue whale the largest creature much larger than any of the dinosaurs can stay under water 50 minutes
The great white shark swim very quickly the most dangerous shark it has got sharp teeth and strong jaws
Rays and other flat fish live on the bottom of the sea sea bed
herrings They travel together in large numbers.
Octopuses live in holes in the rocks