property of water is that it is an excellent solvent. This is because of the chemical composition and physical attributes of water. Since water is polar‚ it allows water molecules to become attracted to different molecules. The attraction can be so powerful that it can disrupt the attractive forces of the different molecules. For example‚ water can be heavily attracted to salt that it can disrupt the forces that hold sodium and chloride‚ therefore dissolving it. The second property of water is its high
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8.4 Water 8.4.1 Water is distributed on Earth as a solid‚ liquid and gas y y y Define the terms solute‚ solvent and solution Solution a homogeneous mixture of two or more substances Solute a substance that is dissolved in another substance or the component of a solution present in a lower amount. Solvent a substance which can dissolve another substance or the component of a solution present in a greater amount. Identify the importance of water as a solvent Water is essential as a reactant
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A. Soldiers Bodies Sarah Wagner‚ “The Making and Unmaking of an Unknown Soldier‚” Social Studies of Science‚ 43(5): 631-656‚ 2013. The article describes the military identification technology in the 1990s and the decision to remove the remains from the Vietnam crypt of the Tomb of Unknowns and the subsequent work on the previously unidentified remains in previous wars. It argues that naming the dead soldiers and returning their remains personalize the ideals of sacrifice and honor embodied in the
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Body language is a part of nonverbal language. It includes things such as stance‚ gestures‚ facial expressions‚ and even small things that are barely perceptible like a brief shrug of the shoulder or a nod of the head. It is easily confused sometimes when we speak what we are actually saying‚ because your body language maybe saying something different. This is why it is specifically important in the medical field to have complete control and understanding of what we are saying with our body language
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Water Crisis and Water Management in Pakistan 1- Introduction Water plays a vital role in a country’s economy. Water has been critical to the making of human history. The earliest agricultural communities emerged where crops could be cultivated with dependable rainfall and perennial rivers. Simple irrigation canals permitted greater crop production and longer growing seasons in dry areas. Some of the problems faced by the world population are as below. • More than a billion people lack access
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Science 12:008/159:008 Spring 2002 Water Pollution July 22‚ 2005 Water Pollution Pollutant Any substance that does not belong in the natural system and disrupts the natural balance Water Pollution Degradation of water quality in a manner that disrupts/prevents its intended or original use. Surface Water Groundwater MCL and secondary MCL MCL=Maximum Contaminant Level The highest concentration of a pollutant allowed in drinking water by law Concentration above which adverse
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Body Mass Index MAT221: Introduction to Algebra Body Mass index is a formula that determines the mass of body fat a person has. This formula is used to determine your weight proportion compared to your height if you’re on target‚ overweight or obese. Today we will use the formula by plugging in my own personal information and determining if I am over weight‚ on target or obese. To start I plug in the formula BMI=703w/h2. W = weight‚ H = height. I am 5foot 5 so in the formula my height will
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Calcium in the body 10-09-10 Calcium is a mineral that is very important to the body. It is found in many different foods. Milk‚ yogurt‚ and cheese are well known sources of calcium. It is said that milk does a body good and that is because of the calcium in milk. Calcium is available as a dietary supplement. Carbohydrates and citrates are the two main forms of calcium in dietary supplements. Calcium has a lot to do with maintaining bone mass. An article titled Calcium: focus on foods and beverages
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Executive Body Federal Level The power of the executive lies in the hands of the YDPA as he is the supreme head of the country and he can exercise the executive power himself. However‚ in the real practice‚ the executive power is exercised by Cabinet or by any minister empowered by the Cabinet. The YDPA has to act on the advice of the Cabinet or a Minister. It means‚ the YDPA has no absolute power to exercise his executive duties. However‚ His Highness has the right to access to whatever information
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Body piercing Body piercing had recently become very popular among young people in many countries. Not only ears are pierced now ‚ but also noses‚ tongues‚ navels and various other body parts. This has attracted criticism from some people‚ who argue that piercing is dangerous. Meanwhile‚ others insist that if you take proper care‚ it is perfectly safe. In the article by Lori Wilkerson she demonstrates that piercing is an archaic form of expression that have been practiced for many centuries
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