1290 questions and answers in this section
Explain why rain can clean polluted air.

Explain why rain can clean polluted air.

Rain acts like a kind of natural shower for the atmosphere, capturing many pollutants present in the air as it falls. When water droplets pass...

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Explain why Leonardo da Vinci was so gifted in so many fields?

Explain why Leonardo da Vinci was so gifted in so many fields?

Leonardo was interested in everything, from mechanics to human anatomy, including drawing or studying the birds flying above his head. This insatiable curiosity constantly led...

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Explain why gas bubbles rise to the surface of a glass of soda.

Explain why gas bubbles rise to the surface of a glass of soda.

Gas bubbles rise simply because they are filled with a gas, usually carbon dioxide, which is much less dense than the liquid surrounding it. Yet, soda is...

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Explain why trees release sap in the spring?

Explain why trees release sap in the spring?

Sap is somewhat like the blood of trees: without it, they would be unable to grow, nourish themselves, or even breathe properly. Specifically, it transports...

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Explain why waves have different shapes.

Explain why waves have different shapes.

Waves are mainly formed by the action of the wind on the surface of the water. When the wind blows, it transmits energy to the...

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Explain why shells have such varied and colorful patterns?

Explain why shells have such varied and colorful patterns?

The color of shells is primarily due to the presence of specific pigments deposited in their shell during growth. Most brown, red, or yellow shades...

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Explain why killer whales are also called orcas?

Explain why killer whales are also called "orcas"?

The term killer whale comes from the old French term "espaart", derived from the verb "espaler" which means to butcher or to carve up. This...

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Explain why does the wind blow in different directions?

Explain why does the wind blow in different directions?

Air always moves from areas of high pressure to areas of low pressure, as if nature wants to balance things out. Specifically, when the air...

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Explain why were the alchemists so obsessed with the search for the Philosopher's Stone?

Explain why were the alchemists so obsessed with the search for the Philosopher's Stone?

The philosopher's stone is one of the most fascinating and intriguing objects in the entire history of alchemy. Supposed to possess incredible powers, it was...

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Explain why vinegar dissolves limestone?

Explain why vinegar dissolves limestone?

Vinegar is essentially a diluted solution of acetic acid in water. Most commercial vinegars contain about 5 to 8% of this acid. You can easily...

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