designed to cut a helical groove in a softer material as the screw is inserted. The most common uses of screws are to hold objects together and to position objects. Often screws have a head‚ which is a specially formed section on one end of the screw that allows it to be turned‚ or driven. Common tools for driving screws include screwdrivers and wrenches. The head is usually larger than the body of the screw‚ which keeps the screw from being driven deeper than the length of the screw and to provide a bearing
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BIO/101-PRINCIPLES OF BIOLOGY DECEMBER 8TH 2013. JEBA INBARASU Organism Physiology is the method in which many diverse living organisms are considered to have developed from earlier forms during the history of the earth that can be defined as Evolution. Several organisms have evolved as a result of environmental changes within their habitats. Example is a diagram of a whale and details about how the whale has evolved
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There are many ways in which the rainforest is exploited. Many of these ways are damaging to the environment. Rubber tapping causes almost no damage to the rainforest. Rubber tapping takes the natural latex from the tree by scraping grooves into the surface of the tree. The natural latex then falls into a cup‚ and is removed and processed to make the rubber. Rubber trees are quite rare - in a thirty square kilometre area‚ with 20‚000 trees‚ there may be just sixty rubber trees. Timber logging causes
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Examine some of the ways in which Marxists explain crime. (12 marks) Ttraditional Marxists see crime as inevitable in capitalist society because it breeds poverty‚ ccompetition and greed. All classes commit crime‚ but because the ruling class control the state‚ they make and enforce laws in their own interests‚ criminalising the working class while escaping punishment for their corporate crimes. Traditional Marxism is criticised for ignoring non-class inequalities that affect crime and for determinism
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1. Define the term chemotherapy. Use of chemicals for therapeutic effect is called chemotherapy. 2. Why do we need to classify drugs in different ways ? It is useful for doctors because it provides them the whole range of drugs available for the treatment of a particular type of problem. 3. How are drugs classified? (a) On the basis of pharmacological effect For example‚ analgesics have pain killing effect. (b) On the basis of drug action It is based
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moist soil‚ after which a seed-root that anchors the plant to the ground emerges. The heat of the summer facilitates the growth of Aloe vera by stimulating the development of a rosette of fleshy leaves rich in jellylike pulp‚ as well as sap that grows. The plant reaches maturity at the height of about approximately 24 inches. Depending on the climate of the region in which this plant grows‚ a mature aloe plant sends a flower spike from the center of its rosette of leaves‚ which it is then pollinated
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Name Class Date 8.1 Energy and Life Lesson Objectives Describe the role of ATP in cellular activities. Explain where plants get the energy they need to produce food. Lesson Summary Chemical Energy and ATP Energy is the ability to do work. Organisms need energy to stay alive. Adenosine triphosphate (ATP) is a chemical compound cells use to store and release energy. An ATP molecule consists of adenine‚ the sugar ribose‚ and three phosphate groups. Cells store energy by adding a
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Two Organisms Allison Grant Seahorse Habitat Requirements The Seahorse is mostly found in shallow seagrass and reef habitats. They are distributed in tropical and subtropical regions around the world. The seahorse habitat is any underwater area with lots of things they can grab onto with their tails and blend into for hiding. Often they prefer an eelgrass‚ kelp‚ coral‚ rock and mangrove environment. The Seahorse prefers a tropical or temperate oceans. There are no known freshwater Seahorses
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Robert Ashby Edward Miller English 125 Which Way Home-EXTRA CREDIT "Which Way Home." is a Documentary filmed in 2009 about unparented child migrants who are traveling by themselves trying to get though Mexico to the United States. Why are people coming? Why are these Children coming? What is it like to be on this Journey? These are the questions that was asked in this film. The Producer
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1-2. There are things about God that people cannot see – his eternal power and all that makes him God. But since the beginning of the world‚ those things have been easy for people to understand. They are made clear in what God has made. A medium by which God communicates with his people is through his creation. The Garden of Eden was a key instrument in god’s communication with man before sin. It was created for man to have a place to fellowship and commune with him face to face. The bible tells us
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