Lee Jerrum
I'm a contractor and part time writer with a love and interest in the planet and it's makings.
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Displaying Results 1 - 55 (of 55) for All Content
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Spices - Trade and VarietySpices are used to add flavouring to food. They are normally eaten in such small quantities that they have little nutritional value, but they add to the taste of food and help to stimulate the appetite.
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Transportation in the WorldTransport was once a slow process with goods either being carried by animals or by people. Today, however, things have changed and jet airliners carry passengers around the world at more than the speed of sound.
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The Growth of the World's PopulationEach year, about 90 million extra people are added to a world population which already totals 6000 million. This is the equivalent of adding an extra United Kingdom, Belgium and Netherlands to the world each year.
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Mapping the EarthThe earliest known maps, clay tablets, date back thousands of years. Since then, map-making techniques have changed many times as a result of advances in technology Recent changes have been especially dramatic.
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Causes and Effects of Acid RainAcid rain is impossible to see, yet its effects on the countryside and wildlife are devastating. Industrial and urban activities burn energy sources such as coal and oil which emit dangerous hydrocarbons.
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Migration and Immigration in Modern SocietyPeople have always been on the move - nomads searching for food and water religious groups fleeing persecution or pioneers opening up new lands. Migration leads to contacts between cultures and encourages the spread of ideas. -
The Effect of Water Pollution on the EnvironmentFresh water pollution is an ever growing ever present problem, one we must strive to overcome if we're to preserve the life and longevity of some of the world most amazing wildlife. -
Our Protector the Ozone LayerTen years ago, few of us had ever heard of the ozone layer. Today, we are all too aware, not only of the importance of this gas blanket but also of the dangers we face if something is not done to protect it.
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Plagues Pest and DiseasePlagues and pests were once regarded as punishments sent by God to make mankind suffer for its sins. However some of the tremendous damage caused by pests around the world today can be attributed to human interference with the environment.
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The Coral ReefsCoral reefs are some of the world's most complex and fragile environments. Yet despite their fragility, they are among the most ancient ecosystems - traces of coral reefs are found in rocks dating back around 500 million years.
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Gas Types and ProductionThe ancient Chinese were the first people to use gas for lighting. They piped natural gas from the ground through bamboo tubes. But it was many centuries before the use of gas became widespread.
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Optics - From Telescopes to the Human EyeOptical instruments have helped us to understand the universe. Telescopes have revealed details of distant bodies in space. And microscopes have disclosed many of nature's former secrets, such as the structure of living cells.
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Tropical Crop GrowingWhen Europeans first discovered faraway lands they found many exotic crops. Quick to exploit these new products on the home market, they set in motion a trade that would permanently and drastically alter the agricultural habits of many lands.
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Birth Control and Family PlanningFast population growth rates act as a brake on economic development, partly because of the high cost of services needed for the huge numbers of children who contribute little to the economy.
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The Value of Crops in IndustryMost people think of agriculture as the production of food. But a vast area of farmland around the world is used for crops needed for making a wide range of industrial products, ranging from tires and cigarettes to soap and clothing.
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Mapping on a GlobeIn the last 50 years, map making has been transformed by the use of modern technology, but there is still no completely accurate way of depicting the curved surface of the Earth on a flat sheet of paper.
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The Fossil RecordPeople once thought that fossil teeth of long extinct creatures belonged to a race of giants who had perished during the Biblical Flood. Today however, we realize that fossils give us a fascinating glimpse of the life that once existed on Earth.
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The Cause and Effect of VolcanoesVolcanoes provide the most dramatic proof of the heat and power that is stored beneath the surface of the Earth. When they A erupt they can cause great damage and loss of life. What causes their eruptions? And do they have any benefits to mankind?Also published on:
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Into the Deep - Ocean ExplorationOceanography is a relatively young science. But the exploration and study of the ocean depths has greatly enlarged our understanding of the forces that are constantly changing.
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Rocks and the Landscape of EarthThe landscapes around the world have been shaped by three main factors: the nature of the rocks that underlie the land, rock structures and the natural forces that are forever changing the land.
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Lakes Classifications Throughout the WorldThe worlds lakes hold 4 times as much water as its rivers. The following is an insight into the various types of lakes on earth.
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What Causes of an Earth Quake?Before scientists even had a glimmering impression of why earthquakes happen, they had begun to map out where they strike most often. And as it turned out, the where and the why proved closely linked...
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Why You Should Quit Smoking ImmediatelySmoking is a dangerous and socially unacceptable habit. Here's a few reasons why you should strive to quit with every ounce of your being.
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Supergiants and SupernovaeA Star with, say, five times the mass of the Sun goes through its life cycle much more quickly and evolves in a different way. This article is an insight into the life of supergiants and supernovae.
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The Birth of Our Solar System and the SunThe Sun, which rises every morning and sets every evening, is the most important thing in the Universe for us - it is the star which brings us heat and life to the Earth. -
Mountains and Their FormationMountains were once regarded as dangerous and mysterious places. But, in the last twenty years, the revolutionary science of plate tectonics has stripped away much of the mystery associated with the formation of these enormous structures.
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How Old is the Earth We Live On?The Earth's age is so great that it is hard to grasp, but if we think of it as one year old, the the whole of human existence has lasted for less than five hours of a single day.
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How Diet Can Interfere with Your Sleep PatternWhat you put in your body can disturb your sleep. Cut out processed foods, eliminating or reducing the amounts of sugars, fats and preservatives in the foods you eat. You will improve your sleep and overall health significantly.
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How to Choose the Right VitaminPicking the right vitamin may seem challenging, but by being informed of what you need and what is on the market, you should easily be able to find one that fits perfectly with needs of your lifestyle.
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The Evolution of Motor Vehicles and TrafficIn many areas cars provide a swift and convenient means of motor transport. But some cities are so jammed with vehicles during the rush hours that it is often quicker to walk or cycle. -
Mixed Martial Arts - the TerminologyThe purpose of this article is to inform fans of mixed martial arts what some of the key phrases and abbreviations mean. -
Ten Pin Bowling Tips and SkillsWhat's better than playing Ten Pin Bowling? Winning Ten Pin Bowling of course! Here's a few tips how. -
How to Pack on Slabs of Lean MuscleA discussion and guide to assist your muscle building goals.
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Wind Farm LimitationsWith global warming melting our ice caps, and the supplies of natural resources diminishing, we are constantly searching for ways of getting energy, without polluting. The following is a discussion on wind power.
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A Guide to Multivitamins and SupplementsA brief guide on the various multivitamins and supplements available to the health conscious individual.
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6 Tips to Maintain a Healthy HeartThese 6 tips will be very helpful for you if you are looking forward to keeping your heart healthy and beating for a long time. -
How to Hang on to Your HairHair loss has become common not only in men these days but also in the women. It is very disturbing for a person to lose majority of their hair as it results in the lower self confidence. What can you do to prevent it?
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Circuit Training for BoxingThis is a brief guide and insight into circuit training for boxing.
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Getting Back into a Training RoutineRestarting a training routine is a difficult process. You often find yourself disappointed that you aren't at the same level as before. Here's a guide on how to restart effectively.
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How to Effectively Enhance Your Immune SystemThe immune system plays an important role as a comprehensive defense mechanism in a human body. Here I've compiled a brief 5 step guide to enhance yours.
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The Main Causes of AcneAcne is a major skin problem that usually occurs in the young teenagers after attaining puberty. Although it is quite a mystery for many of the people its causes nowadays are well known. Here's a guide to explain further.
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How to Effectively Treat AcneAcne has been a problem for many centuries. The following is a simple but effective guide on the treatments at your disposal.
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Making the Right Food ChoicesIt has become common for people to become more conscious about their health. In this regard, many people prefer to buy only those food items which are good for their health.
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Creatine: Its Effects, Side Effects and Uses in SportCreatine plays an important role in the performance of the human body. It is the naturally occurring amino acid, which provides a sudden boost of energy required by the human body. The following article is an insight into Creatine. -
Prostate Cancer: The Man KillerIt is very important for a man to focus on his prostate health. The article is a brief discussion on the prostate and cancer. -
Components of a Balanced DietA balanced diet is very important for a person's health. You can avoid many of serious diseases such as diabetes, heart diseases, etc., if you keep your diet healthy and balanced.
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Why You Should Quit SmokingIt is not easy for a chain smoker to quit smoking in a few days time. People who attempt to quit smoking can revert back to the same even after years. However, in order for you to quit smoking, you should have some courage and a lot of will power.
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Pregnacy - How Much Exercise is Enough?It is a well known fact that exercise is good for a person's health. The following is an exercise guide for the pregnant lady.
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Eating Out and Staying HealthyIf you are planning to go out for a dinner this weekend, then this is the article you should read to stay healthy.
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3 Key Elements of Effective ExerciseEvery exercise plan has 3 key elements which make it work well: effectiveness, safety, and more importantly: enjoyment. Here are some tips that will help you keep your exercise program effective, safe AND fun!
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Lactose Intolerance: Symptoms, Causes and SubstitutesPeople who are unable to consume dairy products or products which contain milk are called lactose intolerant people. The following is a guide to lactose intolerance and its symptoms.
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Eating for Weight Loss: The Foods You Should Know AboutAre you aware you can lose weight by eating certain foods? I know it sounds unbelievable but it's totally true. I'm going to tell you about certain foods that help you lose weight safely and naturally.
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Type 1 DiabetesType 1 diabetes is commonly known as insulin independent or juvenile diabetes. Here's a brief guide to its symptoms. -
Choosing the Right DietLosing weight is a daunting and scary prospect for many. Here's a brief guide on common pitfalls to avoid and things to consider.
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Lifting Weights for Fitness and HappinessThis article is a brief outline of basic weight training exercises you can carry out.