What is clay and its uses?

What is clay and its uses? Clay is a type of fine-grained natural soil material containing clay minerals. Clay is used in many modern industrial processes, such as paper making, cement production, and chemical filtering. What is clay and where does it come from? Clay comes from the ground, usually in areas where streams or […]

What did Aristotle say about the moon?

What did Aristotle say about the moon? For Aristotle the moon had been a perfect sphere, and that was how people still saw it in 1609. A perfect sphere, of course, is perfectly smooth. The pure moon was not of base earth. What did ancients think of the moon? Through persistent observation, Anaxagoras came to […]

Is Russia a stage 4 country?

Is Russia a stage 4 country? It does not have the qualities of stage 1, high birth rates and death rates. Russia does not have declining birth rates and low death rates that would classify it as stage 3. Since it’s not stage 4 with low birth and death rates Russia could possibly be the […]

What are some examples of seafloor spreading?

What are some examples of seafloor spreading? Seafloor spreading occurs along mid-ocean ridges—large mountain ranges rising from the ocean floor. The Mid-Atlantic Ridge, for instance, separates the North American plate from the Eurasian plate, and the South American plate from the African plate. What is used to measure bathymetry? ADCPs measure water velocity by transmitting […]

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