____ are common for our region in summer. After a long ____ very little water in the pond is left. ____ are often caused by careless tourists. A ____ is a very strong wind with disastrous effects. A ____ may be really dangerous - people sometimes get lost in the snow. A horrible ____ occurred in the mountains after the skiers moved a heavy mass of snow. A lot of people lack food and die of ____ in poor countries. Human activity cause a lot of ____ to the environment.

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