How big is the ocean?
Do you know how big is the ocean? We can image.
A big ocean contains 5 small oceans.
It contains 99% water in the world and much salt.
In the ocean, there are many mystery things.
So it’s really hug.
It contains the longest mountain.
That mountain is longer than the Andes for 10 times.
The ocean contains the biggest waterfall, the tallest mountain (it’s taller than the Everest.), and the Challenger deep.
So the ocean is very big.
And it’s important for our planet.
We need water to be alive.
We must to improve the water’s troubles and keep the ocean still tidy.