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Before would be a very bad choice as the rain would likely dissolve the rock salt and wash most of the rock salt away before the rain actually began to freeze significantly.
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Classify freezing or thawing oxidation water dissolving chemicals in rock abrasion acid rain?
Freezing or thawing are classified as mechanical weathering. Water dissolving and oxidation of chemicals in rock acid rain are classified as chemical weathering.
Is ice freezing in a crack of a rock considered weathering or erosion?
Ice freezing in a crack of a rock is considered weathering.
Why do rocks have cracks?
Rain and running water can enlarge existing cracks in rocks through its erosive powers. Freezing water in a rock crack will expand, causing additional fracture.
What types of rock are most damaged by freezing?
Any rocks can be "damaged" by freezing
How is ice destructive?
The gouging out of 'U' shaped valleys by glaciers. Also the grinding down of mountains during the ice ages, plus the fracturing of rock when rain water seeps into a crack and then expands on freezing in winter, splitting the rock, are all examples of how destructive ice can be.
Classify freezing or thawing oxidation water dissolving chemicals in rock abrasion acid rain?
Freezing or thawing are classified as mechanical weathering. Water dissolving and oxidation of chemicals in rock acid rain are classified as chemical weathering.
Why is rain considered an agent of chemical weathering?
- because rain is frequently an acid rain - because water from the pores of rocks expand after freezing and during the time the rock is destroyed by the inside pressure
When should you apply rock salt?
Rock salt (or calcium chloride, potassium chloride) is applied to roads with ice or snow; the freezing point of water is lowered.
When do you apply rock salt to roadways?
During the cold days of winter, to decrease the the freezing point of water and avoid ice and snow on the roads.
Is ice freezing in a crack of a rock erosion or weathering?
Ice freezing in a crack of a rock is considered weathering.
Is ice freezing in a crack of a rock considered weathering or erosion?
Ice freezing in a crack of a rock is considered weathering.
Why do rocks have cracks?
Rain and running water can enlarge existing cracks in rocks through its erosive powers. Freezing water in a rock crack will expand, causing additional fracture.
Does Freezing makes a rock crack?
No
What types of rock are most damaged by freezing?
Any rocks can be "damaged" by freezing
What is water freezing in the crack of a rock an example of?
Water freezing in the cracks of rock is an example of Mechanical Weathering also referred to as Physical Weathering.
What type of climate has the greatest amount of rock weathering caused by rock weathering?
A wet climate in which temperatures alternate between below freezing and to above freezing.
How does frost wedging break apart rocks?
Water from frost or rain gets between cracks on a rock. At night this water freezing and expands. The expansion of the water in the cracks causes the rock to break little by little. This cycle is repeated many times.
