Water help: describe the impact of human activities on water supply - Help.com

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Homework?

water is very essential for our life so its our duty to keep the water clean and safe for the upcoming future….because their will be a scarcity of water…people actually illetrate people pollutes the water much evn frm industries the water is polluted..so the marine ecosystem is polluted howevr…this can be controlled through some activities…

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The water cycle, also known as the hydrologic cycle or H2O cycle, describes the continuous movement of water on, above and below the surface of the Earth. Water can change states among liquid, vapor, and solid at various places in the water cycle. Although the balance of water on Earth remains fairly constant over time, individual water molecules can come and go, in and out of the atmosphere. The water moves from one reservoir to another, such as from river to ocean, or from the ocean to the atmosphere, by the physical processes of evaporation, condensation, precipitation, infiltration, runoff, and subsurface flow. In so doing, the water goes through different phases: liquid, solid, and gas.

The hydrologic cycle involves the exchange of heat energy, which leads to temperature changes. For instance, in the process of evaporation, water takes up energy from the surroundings and cools the environment. Conversely, in the process of condensation, water releases energy to its surroundings, warming the environment. The water cycle figures significantly in the maintenance of life and ecosystems on Earth. Even as water in each reservoir plays an important role, the water cycle brings added significance to the presence of water on our planet. By transferring water from one reservoir to another, the water cycle purifies water, replenishes the land with freshwater, and transports minerals to different parts of the globe. It is also involved in reshaping the geological features of the Earth, through such processes as erosion and sedimentation. In addition, as the water cycle also involves heat exchange, it exerts an influence on climate as well.

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The impact of human activties on water supplies is a wide range because humans use water for many different tasks and reasons. We as humans misuse and abuse the ways in which we use the water. We are the cause of Global Warming and Pollution and until something goes really wrong in our environment we take it for granted. We have a huge impact on the water supply in the world whether it be a good or bad impact.