Cultivated plants of our planet
Crop plants are those plants that are grown by humans for eating, feeding animals, receiving medicines or raw materials, etc. All these plants are also called agro-crops. Barley Classification 1.…

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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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Caves and their peculiarities
A cave is a natural cavity in the upper layer of the earth's crust, which has at least one exit to the surface. Sometimes caves are the most complicated systems…

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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

Belladonna, or Beauty
Belladonna is a poisonous plant used in the Middle Ages for cosmetic purposes. Due to what else its name appeared - Krasavka. And because of its influence on people, it…

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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…

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