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Cannon "Dora" - a weapon of the Second World War: description, characteristics
German medium half-track armored personnel carrier "Khanomag" (Sd Kfz 251): description, specifications
Battle of the Somme: the course of the battle and its results

External and internal structure of the lancelet
"Lanceolate slug" - this is how this mysterious animal was called for a long time. Now scientists know exactly all the life processes of the most primitive representative of the Chordata type. The structure of the lancelet and the features of its physiological processes will be discussed in our article
› The first museum in Russia. Who opened the first museum in Russia?
› Alternating at the root of e and and. Rule, features, examples
› English prepositions to, at, in, on. Rules, features, examples
› Compound words with the root "Ved". Rule, features, examples
› The phrase "I was" - how to say in English?
› Character traits in English - list, features and examples
› What is the difference between single-root words and word forms? Examples of root words

What is the height of the ISS orbit? Orbit of the ISS around the Earth
The International Space Station is one of the most amazing man-made objects in the history of mankind, which is discussed in detail in this article
› Intermediate filaments: description, structure, functions and features
› Milankovitch cycle. Global climate change. Influence of solar radiation on climate
› Biodiversity conservation: programs, national strategy and necessary measures
› The greatest discoveries of the 21st century in science
› Movement of the solar system in the Galaxy: features, directions, trajectory and speed
› Class society: concept, characteristics, examples
› Education, its significance for the individual and society: definition of the concept, role and problems

Babylonian number system: construction principle and examples
The Babylonian number system, which arose thousands of years before the advent of a new era, was the beginning of the beginning of mathematics. Despite its ancient age, it succumbed to deciphering and revealed to researchers many secrets of the Ancient East. We, too, will now plunge into the past and find out how the ancients believed
› Rhetorical device: definition and examples
› As correct: birthday or birthday in Russian
› Use of the phrase "according to application or application": rules, agreement
› The meaning of the word "yakhont": where it is used, the rules of writing
› Motivation of educational activity of younger students: concept, basic principles, goals, objectives and examples
› Good-natured is a characteristic or meaning of life, the meaning of the word
› Cool corner for grade 5: rules, requirements, tips