Answer:
1. Temperature and precipitation are the main factors making soils different from one another. Precipitation dissolves minerals and salts in the soil. These move with the water down through the soil profile.
2.Loam soils
Are best for plant growth because sand, silt, and clay together provide desirable characteristics. First, the different-sized particles leave spaces in the soil for air and water to flow and roots to penetrate.
3.Soil provides plants with foothold for their roots and holds the necessary nutrients for plants to grow; it filters the rainwater and regulates the discharge of excess rainwater, preventing flooding; it is capable of storing large amounts of organic carbon; it buffers against pollutants, thus protecting groundwater.
4. *Clay soils are heavy, high in nutrients, wet and cold in winter and baked dry in summer.
*Sandy soils are light, dry, warm, low in nutrients and often acidic.
*Silt soils are fertile, light but moisture-retentive, and easily compacted.
*Loams are mixtures of clay, sand and silt that avoid the extremes of each type.
Explanation:
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