Chapter 2 The Components of Matter Elements‚ Compounds‚ and Mixtures: An Atomic Overview An element consists of only one kind of atom. An element is one kind of substance – the composition is fixed. Each element is unique because the properties of its atoms are unique. Molecules are structures containing two or more atoms chemically bound together. Diatomic molecules are two-atom molecules such as elemental oxygen. A compound is a type of matter in which two or more different elements are chemically
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interaction between the two. STUDY NOTES ONLY II – The Nature Component A) Genes: - 46 chromosomes‚ 23 pairs. - Genes carry DNA‚ which consists of thousands of genes amongst other things. - Genes = Basic Unit of Heredity - Gene complexes are genes working together to produce a trait or disease. - 4 Nucleotides: o Adenine (A) o Thymine (T) o Guanine (G) o Cytosine (C) - The sequence of nucleotides determines what a specific gene does or does not do. o Chromosomes = Books o Genes
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1 COMPONENTS AND SUBCOMPONENTS OF ENVIRONMENT 1.1 CLASSIFICATION OF ENVIRONMENT The term Environment can be broadly defined as one’s surroundings. To be more specific we can say that it is the physical and biological habitat that surrounds us‚ which can be felt by our physical faculties (seen‚ heard‚ touched‚ smelled and tasted.) The two major classifications of environment are : (A) (B) Physical Environment: External physical factors like Air‚ Water‚ and Land etc. This is also called the Abiotic
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Principles of Economics Components of Economy First Semester Introduction Human activities which generate income are known as economic activities. All the economic activities are classified into three categories viz. primary‚ secondary and tertiary. Activities that are directly associated with environment are known as primary activities as they refer to utilization of natural resources like land‚ water‚ vegetation‚ minerals etc. When primary goods are used to produce some other articles or
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PROJECT IN T.L.E Electronic Components Diodes a diode is a two-terminal electronic component with asymmetric conductance‚ it has low (ideally zero) resistance to current flow in one direction‚ and high (ideally infinite) resistance in the other. A semiconductor diode‚ the most common type today‚ is a crystalline piece of semiconductor material with a p–n junction connected to two electrical terminals. A vacuum tube diode has two electrodes‚ a plate (anode)
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“Describe a theoretical approach whose influence on our understanding of perception has been particularly important‚ and explain your choice.” Recognition-by-components (RBC) theory (Biederman‚ 1987) has greatly influenced our understanding object perception and‚ more specifically‚ recognition. Recognition has been defined by Goldstein (2010) as how humans can categorise objects to give them meaning. RBC suggests that our recognition of objects is dependent on dividing the stimulus into a number
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Hitting is a major component of contact sports‚ and there are often arguments regarding whether or not for instance‚ body checking‚ should be banned in minor league games. Coming from a family of hockey players‚ I have always been against banning hitting‚ as I simply saw it as part of the game. However‚ after being fortunate enough to hear the heartbreaking story of Donald Sanderson‚ my perspective has completely changed. Sanderson’s story about her son immensely impacted me‚ and left me very emotional
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Components of Communication Posted on March 11‚ 2009 by admin We know that communication is a process of transmitting and receiving messages (verbal and non-verbal). Communication is a dialogue not a monologue. So‚ a communication is said to be effective only if it brings the desired response from the receiver. Communication consists of six components or elements. Components of Communication 1. Context 2. Sender/Encoder 3. Message 4. Medium 5. Receiver/Decoder 6. Feedback
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Ecosystem Components The Tarkine rainforest is located off Australia‚ on an island known as Tasmania. The Tarkine rainforest is the second largest temperate rainforest in the world. Temperate rainforests are extremely rare. It runs continuous for more than 70 kilometers and contains the Rapid‚ Keith‚ Donaldson‚ and Savage River systems. Globally‚ this is one of the most significant rainforests‚ which is temperate‚ left of the plant. The Tarkine rainforest contains three out four of Tasmania’s
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Components of fitness & training methods Components of fitness Aerobic endurance- the heart’s ability to deliver blood to working muscles and their ability to use it (e.g. running long distances) Muscular endurance- is the ability of a muscle or group of muscle‚ to work continuously/for a long time without tiring. Flexibility- The range of movement at/across/around a joint Speed- Moving the whole body part of the body very quickly/in a short time. Strength- The maximum force a muscle/group of
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