1290 questions and answers in this section
Explain why molecular ingredients in perfumes create unique scents?

Explain why molecular ingredients in perfumes create unique scents?

The scents we love so much are actually a precise cocktail of various fragrant molecules. Some, rather fresh and fruity, come from esters, known for...

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Explain why diamonds form under high pressure?

Explain why diamonds form under high pressure?

The diamond and graphite are both made up solely of carbon, but their difference mainly comes from their internal organization. In diamond, each carbon atom...

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Explain why scientists closely monitor the Yellowstone Caldera?

Explain why scientists closely monitor the Yellowstone Caldera?

Yellowstone is a caldera, a kind of gigantic dormant volcano capable of causing a supereruption. This means that in the event of a major eruption, massive amounts...

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Explain why can dolphins swim so quickly?

Explain why can dolphins swim so quickly?

Dolphins have a very streamlined fusiform shape, highly adapted for gliding through the water, minimizing resistance that slows them down. Their head is slender and...

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Explain why Earth has hot deserts and cold deserts?

Explain why Earth has hot deserts and cold deserts?

Hot deserts like the Sahara or Kalahari are mainly found around latitudes close to the tropics, where the sun beats down heavily all year round. These regions...

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Explain why do bright colors attract pollinating insects?

Explain why do bright colors attract pollinating insects?

Insects have a different vision from ours: they primarily perceive ultraviolet light, colors that we cannot even see! Their eyes are made up of thousands...

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Explain why caves often contain prehistoric paintings?

Explain why caves often contain prehistoric paintings?

Caves, thanks to a stable climate and constant darkness, provide ideal conditions for preserving these ancient paintings. The moderate humidity and the absence of direct...

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Explain why do earthworms improve soil fertility?

Explain why do earthworms improve soil fertility?

Earthworms dig numerous tunnels in the soil as they move, creating a multitude of handy little passages. This constant mixing makes the soil lighter and...

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Explain why some glaciers move faster than others?

Explain why some glaciers move faster than others?

The speed of glaciers depends quite a bit on what is beneath the ice. When a glacier slides over smooth rock or wet mud, it...

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Explain why can lightning produce ozone?

Explain why can lightning produce ozone?

Inside a thundercloud, ice crystals and water droplets frequently collide. As a result, they exchange electrical charges, somewhat like a balloon rubbed against a wool...

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