The water cycle is also known as the hydrologic cycle. The water cycle describes the movement of water on‚ above and below the surface of Earth. Water can change states through the stages of the water cycle. Water can change from a solid to a liquid to water vapor in various places of the water cycle. Water moves from one lake to another‚ just like from an ocean to the atmosphere. Water travels by different processes of evaporation‚ condensation‚ precipitation‚ infiltration‚ runoff and subsurface
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Essay’s topic: Water scarcity is one of the key environmental issue of our time. Identify some major causes of water scarcity and describe two solutions. Water plays an important role in developing and maintaining healthy ecosystems. However‚ water scarcity is an increasing and widespread phenomenon in many countries in the world. Water scarcity refers to either the lack of enough water or lack of access to safe water. The shortage of water is turning out to be more pressing than prediction. This
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The causes of water pollution Water pollution comes from a myriad of sources‚ both natural and from human activity. The most destructive causes of water pollution are man made‚ however. The largest sources include: The burning of coal in power plants emits ash particulates that contain toxic metals like arsenic and lead. Coal and petroleum also contain sulfur compounds. Combustion generates sulfur dioxide‚ a toxic gas‚ and oxides of nitrogen. When emitted from exhaust stacks‚ these two compounds
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The importance of water: Water is the most wanted or used resource in the entire world‚ due to its demand. It is wanted and needed by everyone for various reasons‚ some of these reasons are for everyday things like drinking in order to suvive‚ cooking cleaning‚ technology and even basic things like gardning. It also helps with poverty ‚ health‚ hunger and education. Water is a blessing. If we did not have water neither of us will be here‚ so why are we thanking it by missusing or wasting it for
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Water Conservation Water is essential to Earth. We need it to cook‚ bathe‚ provide power‚ control fire‚ and last but not least‚ we need it to live! Therefore‚ it is very important to human survival. When 70% of Earth is made up of water‚ you would think that we have plenty of water for our needs. But really‚ about 97% of that water is made up of ocean. We cannot use this water because it is too saline for our needs. Only 3% of Earth’s water is fresh‚ and 2% of that supply is frozen
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Water is continuously being recycled in a process called the water cycle. All living things on earth need water to survive. The water cycle has no starting point and no end point. Earth’s water is always in movement and always changing forms‚ it can go from a liquid to a solid to a gas and back to a liquid. The water cycle is how we track movement of water above‚ in and on the earth. The water cycle consists of three major processes‚ condensation‚ evaporation and precipitation. Condensation is the
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The earth has a limited amount of water.That water keeps going around and around and around in what we call the "Water cycle".It is the only way that Earth can be continually supplied with fresh water.The sun is the most important part of renewing our water supply.It can be solid (ice)‚a liquid (water)‚ or gas (water vapor). Water on earth is always changing. How do these changes happen? It is made up of a few main parts:evaporation (and transpiration)‚condensation and precipitation. Evaporation
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Water scarcity and global warming Global warming is expected to account for about 20 percent of the global increase in water scarcity this century. It is predicted that global warming will alter precipitation patterns around the world‚ melt mountain glaciers‚ and worsen the extremes of droughts and floods. Global water consumption increased sixfold in the last century - more than twice the rate of population growth - and will continue growing rapidly in coming decades. Yet readily available freshwater
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M. Visvesvarayya‚ Linganmakki Dam‚ built across river Sharavathi is being used for power generation. Before the onset of monsoon‚ when there is not much water in the Linganmakki dam‚ the "mighty" Jog Falls are nearly unrecognizable. Instead of the roar and the spray and the massive flow of water‚ there are only a pair of thin streams of water trickling down the cliff. If you happen to ask any of the local people what happened to the falls‚ they would tell you that the authorities open the dam only
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fastest in tap water‚ warm water‚ cold water‚ salt water‚ or acidic water. In this lab I wall develop and test a hypothesis‚ analyze data and draw a conclusion. In this experiment I will find out that in a type of water the Alka-Seltzer will dissolve faster and slower. Alka-Seltzer is one of the world’s best known antacids. Its main function is to absorb excess stomach acid. II. MATERIALS: * Tap Water - Warm Water * Cold Water - Salt Water * Acidic Water -5 cups (250 mL
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