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Earth is a planet that consists of life sustainable elements in it.

Earth is a planet that consists of life sustainable elements in it. This is the only planet that consists of all the 3 life elements: air, water, and soil.

This is one of the most important non-living resources which is used for survival. It is essential for every living organism as they use water as a medium for all the chemical reactions happening inside the body. Water is present in huge bodies such as ocean, seas, rivers, and lakes. The water is converted into various forms such as water vapour, snow, glaciers, and ice shelves. Earth is composed majorly of water and other part is made of land. 97% of water is found in oceans which is salty to taste and cannot be consumed on daily basis. Of the 3% available as fresh water, 98% of freshwater present is in the form of glaciers and ice. Of this whole fresh water, small portion only is available in rivers and lakes.

Water plays a major role in the world’s economy. Approximately, 70% of the water used by human beings constitute agricultural purposes. Major food component in the majority of the countries is the fish which is available in both salt and fresh water bodies. Water is also used as a means of transport for shipping various products around the globe such as oil, natural gas, and solid goods. Water is converted in the form of steam and is used for cooling and heating purposes. It acts as a solvent in both mineral and organic which is used in industrial processes such as cooking and washing. This is used in ice form to make use for surfing, skating purposes.

A mixture of gases which is composed of 78% Nitrogen, 21% Oxygen and a small percentage of wate vapour and other gases. The oxygen produced by the plants present on earth makes it a sustainable place for living organisms. This oxygen is produced from carbon dioxide. The oxygen available in the atmosphere is used for preparing food. The carbon dioxide exhaled by the living organisms is utilized by plants using the energy from the sun to produce food.

Earth consists of 3 main layers and they are: Crust, Mantle, and Core. The soil plays a major role in maintaining the atmosphere of earth as it provides the shielding for development of plants which produce oxygen. A living organism requires enough vitamins and minerals. These minerals are available in the upper crust layer of earth. Due to the availability of these minerals in huge rock structures, it is not possible for the living organisms to use. Hence, these mineral particles are made into small forms known as Soil. This soil consists of mineral components such as Iron, Zinc, Nitrogen compounds, etc. which are required for survival of living organisms. Soil acts as a substance for retaining the water which is utilized by plants for growth. Soil also consists of ores such as Iron, Copper, Gold, and Aluminium which are used by humans daily.

Water supplies nutrients to the cells in the body and provides oxygen to the brain. It allows the body to absorb and use minerals, vitamins, amino acids, glucose, and other substances. Water flushes out toxins and wastes and also regulates the body temperature.

List of Animals living on Land and Water