1273 questions and answers in this section
Explain why do koalas sleep so much?

Explain why do koalas sleep so much?

The koala has a rather slow metabolism, which means it needs little energy to function. Its diet is mainly composed of eucalyptus leaves, rich in...

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Explain why ice is slippery?

Explain why ice is slippery?

When ice is exposed to heat, it begins to melt and forms a thin layer of water on its surface. This thin layer of water...

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Explain why lichens are good indicators of pollution?

Explain why lichens are good indicators of pollution?

Lichens are sensitive to atmospheric pollutants due to their unique biological structure. Their ability to absorb water and nutrients directly from the air makes them...

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Explain why do tomatoes wilt in the refrigerator?

Explain why do tomatoes wilt in the refrigerator?

When stored in the refrigerator, tomatoes can lose their flavor. This phenomenon is due to the reduction in the production of volatile compounds responsible for...

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Explain why can underwater volcanoes create new islands?

Explain why can underwater volcanoes create new islands?

Underwater volcanoes form when tectonic plates diverge or collide beneath the ocean. This creates faults where magma can rise to the surface. This magma, originating...

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Explain why the chemical composition of rocks can vary significantly at different depths of the Earth's crust?

Explain why the chemical composition of rocks can vary significantly at different depths of the Earth's crust?

The chemical composition of rocks can vary depending on various factors, including the nature of the magma that originated the rock, the intensity of metamorphic...

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Explain why Mount Fuji is considered sacred in Japan?

Explain why Mount Fuji is considered sacred in Japan?

For the Japanese, Mount Fuji is not just a beautiful mountain; it is a true deity called kami. In Shinto tradition, the goddess Konohanasakuya-hime, the...

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Explain why water swirls as it drains in a sink?

Explain why water swirls as it drains in a sink?

When we observe water flowing down a sink, we often notice the formation of a whirlpool. This fascinating phenomenon raises a common question: why does...

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Explain why a glass of water appears distorted underwater?

Explain why a glass of water appears distorted underwater?

When an object is submerged in water, the light passing through the water and entering the air changes direction. This phenomenon is called light refraction. Refraction occurs...

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Explain why vinegar removes stains?

Explain why vinegar removes stains?

Vinegar is acidic due to its content of acetic acid, a substance that gives it its unique properties. Acetic acid is a weak acid, which...

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