ECONOMICS (CBSE/UGC NET)

Detailed explanation-1: -Rocks, sand, soil, and water are examples of natural resources. Natural resources are things that people use that come from the earth. Natural resources can be conserved.

Detailed explanation-2: -Rocks are natural material made of grains of one or more minerals. A mineral is a natural compound that usually exists in rocks as crystals. Geologists classify rocks into three groups according to how they were formed: igneous, sedimentary and metamorphic. We use rocks from each group as natural resources.

Detailed explanation-3: -There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes-such as melting, cooling, eroding, compacting, or deforming-that are part of the rock cycle.

Detailed explanation-4: -Oil, coal, natural gas, metals, stone and sand are natural resources. Other natural resources are air, sunlight, soil and water. Animals, birds, fish and plants are natural resources as well. Natural resources are used to make food, fuel and raw materials for the production of goods.

Detailed explanation-5: -Mineral resources can be divided into two major categories-Metallic and Nonmetallic. Metallic resources are things like Gold, Silver, Tin, Copper, Lead, Zinc, Iron, Nickel, Chromium, and Aluminum. Nonmetallic resources are things like sand, gravel, gypsum, halite, Uranium, dimension stone.