Earth's surface changes over time due to physical and chemical weathering. Analyze each example of weathering and sort into the column that accurately describes it as either "physical" or "chemical".(2 points)
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PHYSICAL CHEMICAL
Examples of physical weathering:
1. Frost action causing the expansion of water in cracks of rocks
2. Wind erosion wearing down the surface of sand dunes
3. The continuous pounding of waves causing rocks to break apart
4. Plant roots growing into cracks of rocks and causing them to break
Examples of chemical weathering:
1. Rainwater reacting with limestone and dissolving it over time
2. Acid rain corroding the surface of statues and buildings made of marble
3. Oxidation causing iron in rocks to rust and crumble
4. The process of carbonation when carbon dioxide dissolves in water and reacts with minerals in rocks.