219 questions and answers in this section

Natural Sciences » Geology

Explain why some rocks are magnetized?

Explain why some rocks are magnetized?

Our planet acts like a giant magnet due to the movements of the earth's core composed mainly of molten iron and nickel. This immense ball...

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Explain why volcanic eruptions can have an impact on the global climate.

Explain why volcanic eruptions can have an impact on the global climate.

When a volcano erupts, it hurls tons of gases into the air, primarily sulfur dioxide (SO₂), but also carbon dioxide (CO₂), water vapor, and other...

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Explain why can tsunamis be triggered by underwater earthquakes?

Explain why can tsunamis be triggered by underwater earthquakes?

An underwater earthquake is a geological phenomenon that occurs when underwater tectonic plates slide abruptly against each other, releasing a huge amount of energy. This...

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Explain why some volcanoes emit colorful ash clouds during their eruptions.

Explain why some volcanoes emit colorful ash clouds during their eruptions.

Volcanoes can emit clouds of colored ash during their eruptions due to the presence of minerals in the magma. When magma rises to the surface, it can...

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Explain why tsunamis often leave traces for kilometers inland?

Explain why tsunamis often leave traces for kilometers inland?

When an earthquake or an underwater landslide releases a huge amount of energy, the water all around moves suddenly, creating giant waves. Offshore, these waves...

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Explain why limestone caves can contain spectacular crystal formations.

Explain why limestone caves can contain spectacular crystal formations.

When rainwater seeps through the soil, it absorbs carbon dioxide, making it slightly acidic. This carbonic acid-rich water slowly penetrates the cracks in limestone rocks. Over time,...

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Explain why rock formations can resemble animals?

Explain why rock formations can resemble animals?

Rocks that resemble animals are not intentionally shaped by nature. It all starts with classic geological processes, such as sedimentation, the cooling of volcanic lava, or underground...

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Explain why tombstones deteriorate faster than other stones?

Explain why tombstones deteriorate faster than other stones?

Tombstones are often made of natural materials such as marble, limestone, or granite. The porosity of these materials plays a crucial role in their degradation. Indeed, the...

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Explain why the eruption of the Krakatoa volcano in 1883 was heard thousands of kilometers away?

Explain why the eruption of the Krakatoa volcano in 1883 was heard thousands of kilometers away?

The eruption of Krakatoa in 1883 was incredibly violent, one of the fiercest in recent history. In just a few hours, the explosion released a...

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Why do fjords have such unique shapes?

Why do fjords have such unique shapes?

Fjords are mainly formed by the action of glaciers during glacial periods. During these periods, thick layers of ice cover vast regions of the Earth, especially in...

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