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Iron oxide and its preparation from the mineral

Relative atomic mass was calculated efforts of several scientists

Deduction - a method of Sherlock Holmes?

The theory of relativity: the history of the concept of the greatest of the twentieth century

What are atoms and molecules?

What are exploring areas of physics

Troy ounce, how many grams of it

Experience Stern - experimental study of molecular-kinetic theory

What are the strata and their role in the structure of society

Practical application and finding the inverse matrix

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Mental reflection - a subjective image of reality
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