According to the passage, which of the following is true about the effects of salts on rocks?

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Only two types of salts cause prying and wedging.

Salts usually cause damage only in combination with ice.

A variety of salts in all kinds of environments can cause weathering.

Salt damage at the seashore is more severe than salt damage in Death Valley.

Giải thích

Thông tin: A rock durable enough to have withstood natural conditions for a very long time in other areas could probably be shattered into small pieces by salt

weathering within a few generations.

Chọn C