210 questions and answers in this section

Natural Sciences » Geology

Explain why do Icelandic volcanoes emit ash clouds?

Explain why do Icelandic volcanoes emit ash clouds?

Iceland is somewhat like the center of the world when it comes to volcanoes. Located at the boundary of two tectonic plates, North America and...

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Explain why most volcanoes are located at the boundaries of tectonic plates?

Explain why most volcanoes are located at the boundaries of tectonic plates?

Volcanoes primarily form when magma, a mixture of partially melted rock, reaches the Earth's surface. This magma comes from the Earth's mantle, a semi-liquid layer...

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Explain why do salt crystals form in certain desert conditions?

Explain why do salt crystals form in certain desert conditions?

Salt crystals form in deserts due to the massive evaporation of water. Deserts, with their dry and hot climate, are perfect for this phenomenon. When...

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Explain why natural hot spring water is often rich in minerals?

Explain why natural hot spring water is often rich in minerals?

Thermal springs often originate in volcanic areas or regions where tectonic plates meet. These locations are rich in geothermal activity. Rainwater or river water seeps...

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Explain why is Mount Everest nicknamed the roof of the world?

Explain why is Mount Everest nicknamed the "roof of the world"?

May 29, 1953, a date to be marked with a white stone. Sir Edmund Hillary from New Zealand and Tenzing Norgay, a Nepalese Sherpa, were...

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Explain why limestone caves often have underground rivers.

Explain why limestone caves often have underground rivers.

Limestone is a sedimentary rock primarily composed of calcium carbonate. Due to its origin, it is often very porous. What is porosity? Like a sponge, it's the...

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Explain why some volcanoes form underwater?

Explain why some volcanoes form underwater?

Tectonic plates are enormous pieces of the Earth's crust that constantly move. Beneath the ocean, these plates shift, move apart, or collide. When they move...

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Explain why can some lakes transform into lava lakes?

Explain why can some lakes transform into "lava lakes"?

Beneath the Earth's crust, magma accumulates under pressure. When the pressure becomes too great, the magma seeks to rise to the surface. In some cases, it finds...

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Explain why do some mountains have snowy peaks all year round?

Explain why do some mountains have snowy peaks all year round?

Mountains can have snow-capped peaks all year round due to recurrent atmospheric disturbances. These air movements are often accompanied by precipitation, particularly in the form...

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Explain why is the lava from Hawaiian volcanoes so fluid?

Explain why is the lava from Hawaiian volcanoes so fluid?

Hawaiian lava is primarily composed of basalt. Basalt is rich in iron and magnesium but low in silica. Less silica means less viscosity, resulting in...

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