The smog is essentially caused by the presence of: — Qualitative and Quantitative Analysis Chemistry Question

💡 Solution & Explanation

Step 1: Soil erosion is the natural process of wear and displacement of the upper layer of soil (topsoil) by agents such as water, wind, and gravity. Step 2: Options like leaching, fossilization, and calcification refer to different chemical or geological processes. Step 3: Thus, the removal of soil by wind and water is defined as soil erosion, corresponding to option (a).