Viruses and viral diseases
The virus is an infectious agent that does not have a cellular structure, and is capable of reproducing only within cells of living organisms. For this they are referred to…

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The importance of swamps in nature
The swamp is a part of the earth's surface, which has excess moisture, high acidity and low soil fertility, which is the consequence of raising the ground water to the…

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Overpopulation of the Earth
Overcrowding is a surplus of population in relation to livelihoods or the demand for labor. That is, if not all of the population of the planet is in demand, and…

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different natural

Land and relief of the planet

  • Sushi is called the part of the surface of the planet that is not covered by oceans, seas, lakes, rivers and other water objects. And its share accounts for less than one third of the Earth’s surface. More specifically, the order of 29.2%. And all this territory is divided between different natural zones.Forests occupy most of the land (about 27%), although everything may change in the near future as the felling of the forest does not stop. Another 21% of the land is allocated under pasture (grassland for cattle grazing). Almost all the remaining part of the land in about equal proportions (9-11%) is divided between the deserts, arachnids and glaciers. Continue reading
The importance of swamps in nature
The swamp is a part of the earth's surface, which has excess moisture, high acidity and low soil fertility, which is the consequence of raising the ground water to the…

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The lakes and their role in nature
The lake is a naturally occurring water filled with water in the boundaries of a lake bowl and has no direct connection with the sea or the ocean. Or, according…

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