(Supporting organic farming and foods) 2 http://afsic.nal.usda.gov/nal_display/index.php?info_center=2&tax_level=1&tax_subject=296 (USDA organic website) 3 http://www.organic.org/education (Supporting organic) Step 2 Evaluate sources: 1. The advantages of organic food‚ you are what you eat: An article about organic food and diseases in non-organic food 2. Organic production: The definition‚ USDA programs‚ Standards and Certifications 3. 10 reasons to support organic in the
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Part 7 The life cycle of a star How does gravity‚ nuclear fusion and mass affect the life cycle of a different sized stars? * Stars initially form from clouds of dust and gas. The force of gravity makes the gas and dust spiral in together to form a protostar. Gravitational energy has converted into heat energy‚ so the temperature rises * When the temperature gets high enough‚ hydrogen nucli undergo thermonuclear fusion to form helium nuclei and give out massive amounts of heat and light
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The Life Cycle Hypothesis Formulated by Franco Modigliani of MIT. 1. The theory basically says that individuals plan their consumption and savings behaviour over the long term with a view of allocating incomes in the best possible way over their entire lifetimes. 2. This implies different marginal propensities to consume out of permanent income‚ transitory income (temporary) and wealth. 3. The basic idea is that individuals will spend the different incomes differently with a view
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LIFE CYCLE OF A STAR Stars are formed in nebulae‚ interstellar clouds of dust and gas (mostly hydrogen). These stellar nurseries are abundant in the arms of spiral galaxies. In these stellar nurseries‚ dense parts of these clouds undergo gravitational collapse and compress to form a rotating gas globule. The globule is cooled by emitting radio waves and infrared radiation. It is compressed by gravitational forces and also by shock waves of pressure from supernova or the hot gas released
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Stages In A Person’s Life Throughout his entire life‚ a person undergoes physical and emotional upheavals. This transition starts from birth till death. The varied experiences and skill carry us from one stage to another. Opposites like good and bad‚ independent and dependent‚ leader or follower etc. govern the life. Erik Erikson divided the human life into eight stages from birth till death‚ based on the interaction of body‚ mind and ego. Read on to know various stages in a person’s life.
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The Life Cycles of Stars In the universe‚ there are hundreds of billions of stars. They are formed when gas and dust from space "clump" together. As the mass grows larger‚ gravity takes over and a core begins to form. The core becomes extremely dense and this compaction causes temperatures within it to rise to the point where nuclear fusion (the burning of hydrogen in a chain reaction) can begin. The heat generated by fusion can reach 24 million degrees F (Fahrenheit). "That amount of heat keeps
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Describe physical‚ intellectual‚ emotional and social development for each of the life stages of an individual PHYSICAL DEVELOPMENT Foetal development- human life begins with conception. If sexual intercourse takes place while the egg is in the fallopian tube‚ there is a possibility of conception. Just one sperm may fertilise the egg. Fertilisation means that the genetic material in the egg to start a new life. Pregnancy then begins when a sperm penetrates an egg. One to one and a half days later
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Are organic foods actually safer than traditionally-produced foods? Pesticide free preparation is a thorough arrangement of harvest administration and nutrient manufacturing that syndicates best ecological applications and critical level of multifariousness. While organics have become more desirable by the consumers‚ nonetheless‚ they don’t hold more nutritional value as opposed to non-organic foods. In the words of Brantsæter et al.‚ “Consumer preference for organic food is motivated in part by
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the core as a gaseous shell. The gas that surrounds the core is called a "Planetary Nebula". The core that is left then becomes a "white dwarf". After the white dwarf cools down enough it stops shining and dies‚ forming a "black dwarf". Another life cycle of a star involves a star with a mass of 10 solar masses or more. These stars evolve similarly to stars of about 1 solar mass until they reach "main sequence". The star shines bright until all of its hydrogen has fused to form helium. This takes
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Eventually though a passing star or shock wave from a supernova will disturb the gas and dust. The dust and gas may then start to clump together‚ gravity will then clump more and more gas together‚ this is when the star starts the next part of its life cycle. Protostar: A protostar is when the gas has clumped together and it getting hot but has not reached what is known as critical mass. At this point the gas will be hot enough to glow. but since there is still a large amount of dust su
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