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Explain what Diffusion is?
Diffusion, we learnt is a simple process of movement of individual molecules from one region to another. Figure illustrates passive transport where molecules move from an area of high concentration to an area of low concentration without the use or input of energy by the cell. This process we know is diffusion. Diffusion is driven entirely by the kinetic energy the molecules possess.
Moving water by reducing air pressure Secure two small bottles. Fill single about half full of water and close it with a single-hole stopper carrying a length of glass tube tha
Explain Protein Reserve - Functions of Plasma Proteins Plasma proteins provide a reserve, which can be drawn upon for vital functions in the situations of starvation and protei
Why does a glacier move? It moves due to the huge pressure of the ice and snow lowers the freezing point of its lower layers, causing them to melt.
The Water Cycle: The importance of water is obvious to everyone. Water is synonynlou. with life. The most comnlon substance in the body of iinv organism is water. It is al
How to make a constellarium A constellarium is a simple device used in teaching the shapes of several constellations. Get a cardboard or wood box and remove one end. Draw the s
Compare and contrast the characteristics of sound waves and electromagnetic
How can we know the parent material of soils?
Why does marble rarely contain fossils? This is due to of the way that it is formed. When you have a rock that is formed bymetamorphosis then it has been created by heat and pres
Poisons : It is essential that all dangerous substances, such as cyanides, are always kept under strict control. Steps to ensure such control are as follows: i) All substances
Explain causes of Fever - Immune System We have seen that due to injury, cut or bite, the inflammatory response develop and this is localized or systemic. The localized respons
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