Q1) Write down importance of gold, limes tone,coal, and rocks.
Answers
Answer:
Gold represents strength, wealth, political power, and has always been a symbol of success and timeless admiration. Gold Coins clearly meet the widely accepted definition of money that is easily bought, sold, and traded daily worldwide.
Limestone has numerous uses: as a building material, an essential component of concrete (Portland cement), as aggregate for the base of roads, as white pigment or filler in products such as toothpaste or paints, as a chemical feedstock for the production of lime, as a soil conditioner, and as a popular decorative
It lights houses, buildings, and streets; provides domestic and industrial heat; and powers most equipment and machinery used in homes, offices and factories. Coal is the most abundant source of electricity worldwide, currently providing more than 36% of global electricity.
They help us to develop new technologies and are used in our everyday lives. Our use of rocks and minerals includes as building material, cosmetics, cars, roads, and appliances. Rocks and minerals are important for learning about earth materials, structure, and systems.
Answer:
Blocks of stones are used in foundations, walls, bridge pier, abutments, lighthouses, aqueducts, and retaining walls.
Rocks are used for masonry work, lintels, and vertical columns, covering floors of the building.
Flags or thin slabs are used for paving, roofing, etc.