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The Earth is a living and dynamic environment that contains an immense variety of landforms and biomes. From the tallest mountain peaks to the deepest oceans, each part of the planet's surface plays a crucial role in the balance of our planet's life and stability.

Ground or land, is an important part of the Earth's surface. It can be pided into several regions according to its different landforms. Generally, it includes the surface layers of soil, rocks, vegetation and other types of surficial sediments.

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Land is the principal source of food and water for living creatures, including humans. Humans use land for many purposes, such as to build homes and grow crops. Plants, animals and other organisms live on land, as do billions of microorganisms that sustain suitable environments for metabolic processes.

The shape of the Earth's land has been changed largely by two reasons, they’re geological forces and human activities. Geological forces, such as the flow of water, plate tectonics and climate, have been changing the Earth's surface for millions of years, sculpting it into ever-changing landforms. Human activities, such as deforestation, over-grazing, urban and agricultural development, also have a huge impact on landforms.

Land plays a critical role in many of the Earth's systems, such as the climate, hydrological, and ecological cycles. In the climate system, for example, land provides essential functions, such as the transport and storage of water, the regulation of the global energy balance, and the regulation of the global atmospheric release of aerosols, trace gases, and even dust.

The world's land affects us in more ways than we can imagine. It provides us with food, water and energy, and sustains biopersity and ecosystem services. It is vital that we recognize the importance of land in our lives and work to ensure its sustainability. We must strive to protect and conserve our land, reduce human impacts, and use it wisely for the benefit of future generations.