INDIAN GEOGRAPHY

Detailed explanation-1: -Sand is a type of soil that is made up of small grains of weathered rock. It does not hold water well and has few nutrients. Silt is another type of soil that is made up of very small broken pieces of rock. These pieces of rock are smaller than the rock pieces in sand, but larger than the rock pieces found in clay.

Detailed explanation-2: -Silt is made up of very small broken pieces of rock. Its particles are larger than clay and smaller than sand. 12. Since soil takes a long time to form, it should be conserved, not wasted.

Detailed explanation-3: -Soil is made up of mineral particles, organic matter (living and non-living), water and air. All soil is made up of inorganic mineral particles, organic matter (including living things), air and water.

Detailed explanation-4: -Just below the topsoil layer is the subsoil layer. The subsoil may contain some broken down organic matter but it is mostly made of weathered rocks and clay minerals.

Detailed explanation-5: -Soil is the loose upper layer of the Earth’s surface where plants grow. Soil consists of a mix of organic material (decayed plants and animals) and broken bits of rocks and minerals.