THE SEAWATER is the most WATER is the most widespread widespread substance on the substance on the Earth. It occupies Earth. It occupies almost three almost three quarters of the quarters of the planet’s surface. It planet’s surface. It has a great has a great importance for the importance for the life.life.

Seas cause many natural processes on the Earth. They influence the climate, plant and animal worlds and human life. They accumulate warmth and give it to the atmosphere. But sometimes the sea is dangerous.

Seas and Seas and atmosphereatmosphere

Animal world of Animal world of seasseas

SeasSeas are reach are reach in different kinds in different kinds of animals and of animals and fish. Some of fish. Some of them are them are dangerous for dangerous for people, for people, for example sharks. example sharks. The weight of The weight of the biggest the biggest shark is aboutshark is about 1010 tons. tons.

LLife in the depthife in the depth

Some of the Some of the fishes living fishes living deep in the sea deep in the sea and are very and are very unusual. They unusual. They have flat have flat bodies, special bodies, special lights and very lights and very small eyes. small eyes.

Seas for humansSeas for humans

People have People have been living at been living at the sea shores the sea shores for ages. They for ages. They have used have used them as a them as a source of food, source of food, natural natural resources and resources and just for health just for health and joy. and joy.

Sea sportsSea sportsPeople do different People do different activities with the activities with the sea. They all are sea. They all are exciting and give exciting and give people people opportunities to opportunities to test themselves. test themselves. Sailing is very Sailing is very popular all over the popular all over the world. world.

Other sea Other sea sports are sports are quite extreme, quite extreme, for example for example water skiing, water skiing, surfing or body surfing or body surfing. Doing surfing. Doing them, people them, people overcome overcome difficulties and difficulties and get stronger. get stronger.

Beauty of seaBeauty of sea

Seas are very Seas are very beautiful. beautiful. Having rest at Having rest at the sea shore the sea shore we get we get impressions impressions and inspiration and inspiration for the whole for the whole year. That’s year. That’s why we love why we love seas so much. seas so much.

Seas •Seas and atmosphereSeas and atmosphere..•Animal world of seasAnimal world of seas..•Life in the depthLife in the depth..•Seas for humans.Seas for humans.•Sea sports.Sea sports.•Beauty of sea.Beauty of sea.