207 questions and answers in this section

Natural Sciences » Geology

Explain why some geological caves form in limestone areas?

Explain why some geological caves form in limestone areas?

Limestone is a sedimentary rock mainly composed of calcium carbonate (CaCO3). It is formed largely from the shells and skeletons of marine organisms that accumulate...

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Explain why the Minoan civilization used a sophisticated sewer system at Knossos.

Explain why the Minoan civilization used a sophisticated sewer system at Knossos.

The Minoan civilization, located on the island of Crete, has fascinated historians and archaeologists with its advanced architecture, luxurious palaces, and sophisticated sewer system at...

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Explain why it is difficult to walk on wet sand.

Explain why it is difficult to walk on wet sand.

When dry sand is compacted under a weight, the sand grains bind together thanks to the cohesive forces between them and form a solid surface...

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Explain why sea turtles return to nest on the same beach every year?

Explain why sea turtles return to nest on the same beach every year?

Sea turtles have an incredible ability to remember the nesting sites where they were born. This phenomenon is called homing, and it is crucial for...

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Explain why the color of lava changes from white to red?

Explain why the color of lava changes from white to red?

The temperature of the lava plays a crucial role in its color. Initially, when the lava is very hot, it mainly emits white light. This...

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Explain why some rocks transform into colorful crystals over time?

Explain why some rocks transform into colorful crystals over time?

The formation of colored crystals in certain rocks is due to the presence of chemical elements that interact with the constituent minerals. These elements can...

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Explain why volcano calderas can become freshwater lakes?

Explain why volcano calderas can become freshwater lakes?

A caldera generally forms as a result of an explosive volcanic eruption that empties the underlying magma. When the underground magma chamber empties, the top...

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Explain why geysers spout hot water at regular intervals?

Explain why geysers spout hot water at regular intervals?

The formation of geysers is due to a complex combination of pressure and temperature underground. Geysers are typically found in regions where rainwater seeps into...

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Explain why some mountains have pointed peaks while others have rounded shapes?

Explain why some mountains have pointed peaks while others have rounded shapes?

The type of rock is a determining factor in the formation of mountain peaks. Hard and resistant rocks, such as granite and gneiss, tend to...

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Explain why beach sand can be magnetized.

Explain why beach sand can be magnetized.

Beaches may contain magnetic sand due to the presence of minerals such as magnetite, a naturally magnetic mineral. Magnetite is a black iron oxide often...

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