Natural Disasters

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What is natural disaster?

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A natural disaster is a catastrophic event that occurs due to natural processes of the Earth, causing significant damage to life, property, and the environment.

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What is weathering?

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Weathering is the process of breaking down rocks and minerals into smaller pieces through physical, chemical, or biological means.

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What is physical weathering?

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Physical weathering is the process of breaking down rocks without changing their chemical composition, often through mechanical forces like freezing and thawing.

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What is chemical weathering?

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Chemical weathering involves the alteration of the chemical structure of rocks and minerals, often through reactions with water, acids, or gases.

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What is compaction in geology?

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Compaction is the process where sediments are pressed together under pressure, reducing their volume and increasing their density.

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What is a wildfire?

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A wildfire is an uncontrolled fire that spreads rapidly, often in forested areas, and can be caused by natural events like lightning or human activities.

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What is an example of physical weathering?

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An example of physical weathering is animals burrowing into the ground, which breaks apart soil and rocks.

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What is the role of vegetation in preventing soil erosion?

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Vegetation helps to anchor soil in place with roots, reducing the risk of erosion caused by wind and water.

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What is a tornado?

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A tornado is a rapidly rotating column of air that extends from a thunderstorm to the ground, capable of causing severe damage.

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What is a volcano?

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A volcano is an opening in the Earth's crust through which molten rock, ash, and gases can escape, often resulting in eruptions.