Deutsch: Loch / Español: Agujero / Português: Buraco / Français: Trou / Italiano: Buco /
A Hole is a vacancy in a crystalline structure, which would be filled by an electron if the structure were electrically perfect. Other definitions are following:
In the context of the environment, a "hole" can refer to a variety of different things. Here are a few examples of how "hole" might be used in this context:
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A hole in the ozone layer: The ozone layer is a region of the Earth's atmosphere that protects life on the planet from harmful ultraviolet (UV) radiation. However, the ozone layer has been damaged over the years by human activities, such as the release of certain chemicals into the atmosphere. This damage has resulted in a "hole" in the ozone layer over the Antarctic, which allows more UV radiation to reach the Earth's surface.
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A hole in a glacier: A glacier is a large body of ice that moves slowly over land. As a glacier moves, it can create holes in the ground or in other features of the landscape, such as mountains or valleys. These holes can be created by the pressure of the glacier as it moves, or by the melting of the ice.
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A hole in a coral reef: Coral reefs are important ecosystems that are home to a diverse array of plants and animals. However, coral reefs are under threat from a variety of human activities, such as pollution, overfishing, and climate change One of the impacts of these activities is the creation of "holes" or areas of damaged or dead coral on the reef.
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