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Chemistry

How is temperature in urban areas different from temperature in surrounding rural areas?

How is temperature in urban areas different from temperature in surrounding rural areas? Temperatures in urban areas tend to be higher than those in rural areas. (This temperature difference, called the “urban heat island effect,” is typically larger during the nighttime hours.) How do urban areas affect temperature? Due to human activity, the temperature in […]

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Which solution is a good conductor of electricity?

Which solution is a good conductor of electricity? Solution : Salt solutions are good conductor of electricity due to the formation of mobile ions. When dissolved in water the solution is a good conductor of electricity ionic or covalent? When dissolved in water, sugar molecules separate from each other and diffuse throughout the solution, but […]

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What body parts do penguins use to survive?

What body parts do penguins use to survive? Penguins have to keep high body temperatures to remain active. They have thick skin and lots of fat (blubber) under their skin to keep warm in cold weather. They also huddle together with their friends to keep warm. Where do most penguins live? Antarctica What do penguins […]

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What makes the colors in fireworks?

What makes the colors in fireworks? The colors are produced by heating metal salts, such as calcium chloride or sodium nitrate, that emit characteristic colors. Barium – Barium is used to create green colors in fireworks, and it can also help stabilize other volatile elements. Calcium – Calcium is used to deepen firework colors. Which […]

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What type of reaction is cucl2?

What type of reaction is cucl2? CuCl 2 is an oxidizing agent, CuCl 2 is a reducing agent. This is a precipitation reaction: Cu is the formed precipitate. This is a gas evolution reaction, Cl 2 is the formed gas. ; Reddish, lustrous, malleable, odorless solid. What happened when NaOH was added to the copper […]

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Is there evidence to support the idea that individuals can develop an addiction to food?

Is there evidence to support the idea that individuals can develop an addiction to food? Overall, findings support food addiction as a unique construct consistent with criteria for other substance use disorder diagnoses. The evidence further suggests that certain foods, particularly processed foods with added sweeteners and fats, demonstrate the greatest addictive potential. Is there […]

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What is the temperature difference in oceans?

What is the temperature difference in oceans? At high latitudes, ocean waters receive less sunlight – the poles receive only 40 percent of the heat that the equator does. These variations in solar energy mean that the ocean surface can vary in temperature from a warm 30°C (86°F) in the tropics to a very cold […]

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How is Turner syndrome genetically passed?

How is Turner syndrome genetically passed? Turner syndrome is not usually inherited in families. Turner syndrome occurs when one of the two X chromosomes normally found in women is missing or incomplete. Although the exact cause of Turner syndrome is not known, it appears to occur as a result of a random error during the […]

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