Science & Mathematics Questions & Answers

Science & Mathematics Questions & Answers

Why do we break our knuckles and where does the sound comes from?

Why do we break our knuckles and where does the sound comes from?

The knuckle joint is called the “ball and socket” joint or the synovial joint. The space between the two bones, which form the joint, is filled with the synovial joint. The space between the two bones, which form the joint, is filled with the synovial fluid. During metabolism, bubbles of carbon dioxide accumulate in the fluid. When we break our …

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Why is the Taj Trapezium Zone and why is it called so?

Taj Trapezium Zone (TTZ) is a defined area of 10,400 sq km around the Taj Mahal to protect the monument from pollution. The Supreme Court of India delivered a ruling on December 30, 1996 regarding industries covered under the TTZ, in response to a PIL seeking to protect the Taj Mahal from environmental pollution. It banned the use of coal/ …

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Why does the spider family bear the name Archnida?

Ages ago, people believed there was magic in the weaving of a spider’s web and the Greeks told a story about a girl, Arachne, who was to give all spiders the name of Arachnida. One day, Archne, who was skilled in the art of weaving, challenged the goddess to a contest. She proved herself better than Athene at the craft …

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Why does the Hermit Crab live in a shell?

The hermit Crab is soft-bodied and so would be extremely vulnerable to its enemies if it had no protection at all. For some reason it has become adapted over time to living within the old shells of mollusks, usually whelks but sometimes periwinkles and top shells. Only two pairs of legs are used for walking, the grip the shell and …

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Why do we eat turkey for Thanksgiving?

Although juicy and tender butterball turkeys are the main cuisine of today’s Thanksgiving celebrations, these birds were NOT the most popular centerpieces on the first Thanksgiving tables. In 1621 when the Plymouth colonists and Wampanoag Indians celebrated the first Thanksgiving, they were gobbling up many more foods than just turkey. Since lobster, goose, duck, seal, eel, and cod were plentiful …

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