介绍大海的英语作文

Oceans cover about 70% of the Earth's surface. The oceans affect many things on the Earth, especially the weather and temperature. The oceans are all connected to one another. There were four recognized oceans: the Pacific, Atlantic, Indian, and Arctic.

The oceans and seas contain about 5 x 10 16 tons of salts. The salt content of ocean water is different. The least salty seas are in the North and South poles, because of the melting ice and a lot of rain.

There are many waves on the oceans, the winds cause waves. If the winds are stronger, the waves will be larger. A tsunami is a series of huge waves, it caused by an underwater earthquake, or a small comet hit the ocean.

Tide rises and falls of large area of water. Tides are caused by the gravitational interaction between the Earth and the Moon.

The water cycle starts form oceans. The water from ocean to air to ground to ocean.

There are many animals live in the oceans, too.

介绍大海的英语作文

What do know about the sea? Some people have seen it but others haven't. The sea looks beautiful on a fine sunny day and it can be very tough when there is a strong wind. What other things do you know about it? Of course, the sea is very large. In the world there is more sea than land. If you have swum in the sea, you know that the sea is salty. Rivers carry salt from the land into the sea. Some places of the sea are saltier than the other places. Do you know the Dead Sea? It is so salty that you can't sink when you are in the water! And fish cannot live in it!

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