A violent wind that has a circular movement.
A mass of sand and dust that has been lifted from the ground in very dry areas such as deserts and that is carried by the wind.
A period of days during which the weather is much hotter than usual.
A sudden violent movement of the earth’s surface, sometimes causing great damage.
A long period when there is little or no rain.
A large amount of ice, snow and rock falling quickly down the side of a mountain.
A mountain with a large, circular hole at the top through which lava (hot liquid rock), gases, steam and dust are or have been forced out.
The cutting down of trees in a large area or the destruction of forest by people.
A fire burning in an area of land with many trees, that is difficult to control.
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An extreme lack of food in a region, causing suffering and death.
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до активної роботи у класі та вдома