220 questions and answers in this section

Natural Sciences » Geology

Explain why do brick walls tend to crumble over time?

Explain why do brick walls tend to crumble over time?

Bricks are often made from a mixture of clay and water, shaped and then fired at high temperatures. During firing, it becomes hard and solid: this is...

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Explain why does Mexico City (Mexico) sink every year?

Explain why does Mexico City (Mexico) sink every year?

Mexico City is situated in a basin surrounded by mountains, and originally, there was a series of shallow lakes. Over the millennia, these lakes filled...

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Explain why is the city of Venice (in Italy) so frequently flooded?

Explain why is the city of Venice (in Italy) so frequently flooded?

Venice is built in the middle of a lagoon, a coastal space where the sea and land constantly mix. Its depth is very shallow, often...

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Explain why is the city of Coober Pedy (in Australia) built underground?

Explain why is the city of Coober Pedy (in Australia) built underground?

At the beginning of the 20th century, prospectors flocked to the region, drawn by the discovery of opal in 1915. However, the problem is that...

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Explain why is the city of Baia (in Italy) currently submerged under the sea?

Explain why is the city of Baia (in Italy) currently submerged under the sea?

Baia was an ultra-trendy seaside resort in ancient Rome, located on the coast of the volcanic region of the Phlegraean Fields, near Naples. Renowned for...

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Explain why some volcanic islands increase in size year after year?

Explain why some volcanic islands increase in size year after year?

Beneath the Earth's crust, the mantle, a deep semi-fluid layer located beneath our feet, is always in motion. In certain places, warm currents slowly bring...

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Explain why is the town of Wittenoom (in Australia) considered toxic and abandoned?

Explain why is the town of Wittenoom (in Australia) considered toxic and abandoned?

By the 1930s, Wittenoom became famous for mining blue asbestos (also known as crocidolite). Mining activities escalated in the 1940s and peaked in the 1950s, making the...

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Explain why is the town of Kolmanskop (in Namibia) being engulfed by sand?

Explain why is the town of Kolmanskop (in Namibia) being engulfed by sand?

Kolmanskop was born in the early 1900s when the area was a German colony called German South West Africa. In 1908, a railway employee named...

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Explain why are the hot springs in Yellowstone of different colors?

Explain why are the hot springs in Yellowstone of different colors?

The crazy colors of the hot springs in Yellowstone are often due to the presence of living microbes: bacteria, archaea, and microscopic algae, capable of...

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Explain why is the city of Jericoacoara (in Brazil) surrounded by immense sand dunes?

Explain why is the city of Jericoacoara (in Brazil) surrounded by immense sand dunes?

The village of Jericoacoara is located in northeastern Brazil, in the state of Ceará, bordered by the Atlantic Ocean. Nestled on an isolated peninsula, it...

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