The apple is thought to have been domesticated 4000–10000 years ago in Kazakhstan. There are more than 7,500 known cultivars of apples. …
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Sausages are the most numerous group of meat products with several hundred types and thousands commercial names. These are products that are …
Measuring Turbidity in Drinking water Turbidity is one of the most common and intuitive qualities of water. The first thing we notice …
Nowadays, many children do not show interest in STEM subjects. They find them difficult, incomprehensible and abstract. How to understand what is …
