Recent publications
Modern scientists with irrefutable certainty assert that throughout the history of mankind there has not been a single ...
and they constantly form new cells, which in a year form the so-called annual rings or growth rings. These annual rings...
Lesson of the surrounding world in the 4th grade on the topic “Natural zones of Russia. Forest Zone" was prepared using case technology. Case - method -...
Recently, the exploitation of child labor has been widespread. This is one of the most common problems in the modern world. Child labour...
The average annual salinity of the waters of the World Ocean (in ppm). Data from the World Ocean Atlas, 2001 Sea water is...
Despite the active development of medicine, the problem of infectious, including bacterial, diseases is very relevant. Bacteria...
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