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How does Messi keep the ball close to himself

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The science of how Messi keeps the ball close to himself photo credit: ZaleDesigns Messi is a magician with the ball at his feet. He's in my opinion the best player in the sense that he can control the ball so well, runs so fast with the ball & changes the direction at full speed like it's a walk in the park. For starters he started playing very early (at 3) which is crucial if you want to be a good player. In that aspect, he's God gifted as he had dribble skills which is genetic in my opinion. Height He is short which means a low center of gravity so it's difficult to push him off the ball. That's why we see that anyone rarely can topple him down, instead players much larger than him lose possession to him. So his short height suits his style of play & is a blessing in disguise. Change of pace Messi changes his pace really well. He starts slow and runs directly at the defender which means the defender has to stop & focus on him. When he reac...
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What is transportation in plant.

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Biology - Transportation in Plants

Introduction

  • The plants have low energy needs, as they use relatively slow transport systems.

  • Plant transport systems move energy from leaves and raw materials from roots to all their parts.

  • The xylem (tissue) moves water and minerals obtained from the soil to all other parts of the plants.

  • The phloem (tissue) transports products of photosynthesis from the leaves (where they are synthesized) to other parts of the plant.

Movement of Water in Plants

  • Water moves into the root from the soil and then steady it moves into the root xylem, creating a column of water, which is progressively pushed upwards.

Movement of Water Plants

  • Evaporation of water molecules from the cells of a leaf (see the image given above) creates a suction process, which pulls water from the xylem cells of roots; this process keeps going on.

  • The loss of water in the form of vapor from the leaves (i.e. aerial parts) of the plant is known as transpiration.

  • Transpiration, likewise, helps in the absorption and upward movement of water and minerals dissolved in it from roots to the leaves.

  • Transpiration also helps in the temperature regulation (in plants).

  • The transport of soluble products of photosynthesis is known as translocation, which occurs in the part of the vascular tissue known as phloem.

  • Along with photosynthesis products, the phloem also transports amino acids and other substances, which are ultimately delivered to roots, fruits, seeds, and to growing organs.

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Acid, bases and salt.

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Chemistry - Acids, Bases, and Salts Introduction We taste food sour and bitter, it is only because of presence of acids and bases respectively. Litmus Solution Litmus, which is extracted from lichen, has purple color (see the image given below), but the condition is when it is neither acidic nor basic, i.e. neutral. Litmus basically is a plant belongs to Thallophyta, and in chemical experiment, it is commonly used as an indicator. The substances, which odor changes in acidic or basic media, are known as  olfactory  indicators. Acid or Base in a Water Solution The hydrogen ions in HCl are produced because of the presence of water. Secondly, the separation of H +  ion from the HCl molecules cannot be done in the absence of water. The chemical formula is illustrated below HCl + H 2 O → H 3 O +  + Cl – Furthermore, hydrogen ions cannot exist alone, but they can exist in presence of water molecules. Therefore, hydrogen ions are shown as H + (aq) or hydronium i...
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explain the element Gold

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Chemistry - Gold Introduction Gold is a bright, reddish yellow, soft, dense, malleable, and ductile metal naturally found in the earth’s crust. The symbol of gold is  ‘Au’  and atomic number is  ‘79.’ Gold is (chemically) a transition metal and belongs to group 11 of the periodic table. Salient Features of Gold Gold, which remains in a solid state under standard conditions, is the least reactive element. Gold is resistant to most of the acids. Gold does dissolve in aqua regia; aqua regia is a mixture of nitric acid and hydrochloric acid. However, gold is insoluble in nitric acid. Gold usually dissolves in alkaline solutions of cyanide. Cyanide solutions are commonly used in mining and electroplating. Gold also dissolves in mercury and forms  ‘amalgam alloys.’ Gold does not react with oxygen at any temperature. Occurrence of Gold Gold commonly occurs as a free element i.e. in the natural form. Gold occurs as nuggets or else found in in rocks, grains, in veins, and in ...
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Chemical reactions and equations

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Chemistry - Chemical Reactions & Equations Introduction A process in which one or more chemical substances react with other chemical substance and converted to one or more different substances is known as chemical reaction. Chemical Equation A chemical equation is the symbolic demonstration of a chemical reaction; it is represented through symbols and formulae. E.g. Magnesium + Oxygen = Magnesium Oxide Mg   +   O 2   =   MgO The substances magnesium and oxygen are known as reactants and the result of reaction, i.e., magnesium oxide is known as product. Remember,  the total mass of the elements present in the products of a chemical reaction has to be equal to the total mass of the elements present in the reactants. The number of atoms of each element always remains same, before and after the chemical reaction. Types of Chemical Reaction Following are the major types of chemical reaction − Combination Reaction Decomposition Reaction Displacement Re...
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