How did English become a global language of communication?

How did English become a global language of communication? By the late 18th century, the British Empire had spread English through its colonies and geopolitical dominance. Commerce, science and technology, diplomacy, art, and formal education all contributed to English becoming the first truly global language. English also facilitated worldwide international communication. Is it a good […]

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What is the value of conductivity of metals?

What is the value of conductivity of metals? Conductive materials, metals and stainless steels properties table: Electric conductivity (10.E6 Siemens/m) Thermal conductivity (W/m.K) Silver 62,1 420 Copper 58,7 386 Gold 44,2 317 Aluminium 36,9 237 How is conductivity of metals measured? Use the ruler to measure the length of the wire (use SI units such […]

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Are purebred dogs really purebred?

Are purebred dogs really purebred? Dogs whose parents and ancestors belong to the same breed are referred to as purebred dogs. In other words, the five generations appear to belong to the same family tree and confirm a specific breed standard. Dogs with above 87.5\% of full-blood genetics are qualified as purebred. Which is better […]

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Can space suits withstand heat?

Can space suits withstand heat? NASA’s new spacesuit can withstand over 120°C, removes toxic gases and regulates temperature. How do astronauts not freeze on the moon? How do astronauts not freeze in space? Spaceships and spacesuits usually work to cool astronauts, not warm them because: Space is a vacuum. The only way for an astronaut […]

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What two clefs are most common?

What two clefs are most common? Of these, the treble and bass clefs are by far the most common. The tenor clef is used for the upper register of several instruments that usually use bass clef (including cello, bassoon, and trombone), while the alto is mostly only used by the viola. Are alto and tenor […]

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