The harm and the benefit of aloe
Aloe - a family of succulent plants, numbering more than 500 species. Of course, far from all of them have medicinal properties. However, some species, common in the Russian-speaking countries,…

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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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countries that

Pandemics (mass epidemics)

Pandemic is an epidemic that is massive in nature. That is, an epidemic that can spread across territories of many can hit entire continents.countries that

The most famous pandemics

– Flu is an acute infectious disease, which is the most common and most known in the world. Even in our time, it was not possible to win the pandemic. And even though the mortality of the disease is very small, the influenza still carries several hundred thousand human lives each year (no more than half a million). Continue reading

White shark is a dangerous predator
White shark is a species of large predatory fish. And although they are best known for this name, there are others. So, the full name of these fish is Big…

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Plain roach
Roach is a very common fish belonging to the family of carp. Other names of this species - vobla, ram, chebak, squire, fence. And it has such a large variety…

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