(i) What did she observe after churning milk? (ii) What could be the possible reason for this observation? 2 11. The average atomic mass of a sample of an element ‘X’ is 16.2µ. What is the percentage of each isotope 16X and 18X in the sample? 2 8 8 12.Why does a wooden block float and an iron block sinks when both are placed
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Signature Question General Certificate of Secondary Education Higher Tier January 2013 Science A BL1HP H Unit Biology B1 Biology Unit Biology B1 Wednesday 9 January 2013 9.00 am to 10.00 am Mark 1 2 3 4 5 6 7 8 TOTAL For this paper you must have: a ruler. You may use a calculator. Time allowed 1 hour Instructions Use black ink or black ball-point pen. Fill in the boxes at the top of this page. Answer all questions. You must answer the questions in the spaces provided. Do not write
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NEBOSH International General Certificate Paper 1 Management of Health and Safety Question and Answers 1. (a) Outline the importance of monitoring as part of a health and safety management system (Sept 2008) (6) (b) Identify the (i) active (proactive)‚ and (ii) reactive measures by which an organization can monitor its health and safety performance. (5) (5) (c) Explain why monitoring reports should be submitted to the chief executive or managing director of the organization. (4) Answer: a)
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1. What is the mechanism by which the "invisible hand" pushes markets to equilibrium? Price is what drives economic activity in the market. Price will be determined by what the good or service is worth to the buyer and how much the seller believes the consumer is willing to pay. Equilibrium is balanced when the sellers have sold all they want to sell at a given price and when buyers have brought all they have brought at a given price. The “Invisible hand” is a description used to refer to the free
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Stephen Crane Maggie‚ a Girl of the Streets The excerpt that I would like to comment belongs to Chapter XV. It goes from: ‘Through the open door curious… to the end of this chapter. First at all‚ this novel represents a great novel from the late 19th century where it is focused in the corrupted and industrial New York society at that times which main character is a young lady called Maggie. This work is based in the realism that Crane shows by the figure of Maggie and it is regarded as the
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Critical Commentary Andrew Marvell’s ‘To His Coy Mistress’ embodies the male craving for intercourse‚ as in the poem the narrator tries to convince a woman to have sex with him. The poem is abounded with metaphysical conceits and really depicts the theme of carpe diem. With the exploitation of numerous motifs‚ compelling imagery and its rhythm‚ Marvell is able to construct a very influential argument. Initially‚ Marvell uses the metaphysical conceit to compliment the woman as a means of persuasion
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BIOLOGY CH 10 GENETICS WORKSHEETS - ANSWERS Section 10-1 VOCABULARY REVIEW 1. A purine is a nitrogen-containing base with two rings of carbon and nitrogen atoms. Examples may include adenine or guanine. 2. A pyrimidine is a nitrogen-containing base with one ring of carbon and nitrogen atoms. Examples may include cytosine or thymine. 3. A complementary base-pair is a pair of nitrogencontaining bases connected to each other by hydrogen bonds. Examples may include adeninethymine and cytosine-guanine
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What is Type 1 Diabetes? This type of diabetes is where the pancreas‚ an organ in the human body‚ cannot produce insulin‚ a hormone. When insulin is not present‚ it is harder for the body to convert enough glucose to be used as energy. Lack of energy then makes it more difficult for the body to function fluidly and properly. Only about 5% of people with diabetes have Type 1‚ making it less common compared to the more prevalent Type 2 Diabetes. In addition‚ it is most often developed and diagnosed
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are two extremities and that to appreciate joy one must understand grief. The first two lines of the section one introduce an imposing tone that is established by the speaker bluntly stating that “between extremities/ man runs his course” (1-2). The statement suggests that humans live between the extremities such as life and death. By using “man runs” (2) the speaker suggests that humans keep away from extremities such as birth and death. The stanza continues with the persona referring to
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Type 1 diabetes is a metabolic condition that results in insufficient insulin production in the body. Insulin-secreting cells in the pancreas are destroyed by an abnormal immune system response in type 1 diabetes. The pancreas produces little or no insulin in this situation. Insulin is what the body uses to let glucose or sugar into cells so they can start producing energy. Insulin facilitates the body’s usage of blood sugar as fuel in the cells. Blood sugar accumulates in the bloodstream in the
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