ABUNDANCE AND DIVERSITY OF TOP SOIL EARTHWORMS IN RELATION TO CHEMICAL USE IN GOLDEN ROSE AGROFARM‚ TEFKI AREA‚ ETHIOPIA By Addisu Mergia Addis Ababa University School of graduate Studies Department of Biology A thesis submitted to the School of Graduate studies of Addis Ababa University in partial fulfillment of the requirement for the Degree of Master of Science in Biology July‚ 2007 Dedication This work is dedicated to my father who let the ground for my current educational careers‚ but not
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When you were younger did you like being breastfed? Did you ever think it was needed? I remember when I was a baby my mom used to always say she hated to breastfeed me because surprisingly i didn’t like it that’s why what is going on in society today doesn’t surprise me one bit. Many mothers feel fulfillment and joy from the physical and emotional communion they experience with their child while nursing. These feelings are augmented by the release of hormones. Breastfeeding is starting to decline
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KÜRESEL ISINMA NEDİR? İnsanlar tarafından atmosfere salınan gazların sera etkisi yaratması sonucunda dünya yüzeyinde sıcaklığın artmasına küresel ısınma deniyor. Daha ayrıntılı açıklamak gerekirse dünyanın yüzeyi güneş ışınları tarafından ısıtılıyor. Dünya bu ışınları tekrar atmosfere yansıtıyor ama bazı ışınlar su buharı‚ karbondioksit ve metan gazının dünyanın üzerinde oluşturduğu doğal bir örtü tarafından tutuluyor.[pic] Bu da yeryüzünün yeterince sıcak kalmasını sağlıyor. Ama son dönemlerde
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population as a result of residues in food crops and contamination of drinking water. Many of the biocides exported to third world countries are considered too toxic for use in their countries of origin. Restricted or prohibited by industrial countries‚ DDT and benzene hexachloride (BHC) account for about three-quarters of the total pesticide use in India.31 In many less developed countries‚ without enforced regulation or proper understanding of the dangers‚ workers engaged in spraying seldom use even
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All animals face the same problems in adapting to the desert. They must find shelter from daytime heat and nighttime cold‚ as well as find food and water‚ which are often scarce. Yet‚ in spite of these extreme conditions‚ most animal species are represented in the desert environment‚ even some we typically associate with temperate or wet surroundings. Invertebrates Animals without backbones are called invertebrates. They include simple desert animals such as worms‚ and more complex animals such
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Introduction A Global Warning: Global Warming | The world is warming dangerously. It depends either on the natural causes or the artificial causes like human based greenhouse gases. This affects both the vegetation and zoological environment and also the human | life. Its effects are gradually increasing every year.The purposes of our project are:·To investigate the causes and the effects of global warming and to present the results of our survey.·To attract attention on the solution proposals about
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Pollution Monitoring Laboratory (PML) of the CSE from April to August‚ three samples of twelve PepsiCo and Coca-Cola brands from across the city were found to contain pesticide residues surpassing global standards by 30-36 times including lindane‚ DDT‚ malathion and chlorpyrifos (See Exhibit 2). These four pesticides were known to cause cancer‚ damage to the nervous and reproductive systems‚ birth defects‚ and severe disruption of the immune system.4 In reaction to this report‚ the Indian government
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people rarely recognize that modern technology is not just a matter of electricity‚ mass production‚ aerospace‚ nuclear power and the internet. Modern technology also involves the trivial creations we are not likely to care about. The rickshaw‚ DDT‚ cement‚ asbestos‚ the spinning wheel or corrugated iron are just a few pieces of technology that have become a significant part of everyday and historical use. These undervalued technologies have become hugely important throughout their existence
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Vaisakhi Vaisakhi (Punjabi: ਵਿਸਾਖੀ) visākhī)‚ also known as Baisakhi‚ Vaishakhi‚ or Vasakhi) is a festival celebrated across the northern Indian subcontinent‚ especially in the Punjab region by the Sikh community. For the Sikh community this festival commemorates the establishment of the Khalsa. It is also celebrated by Hindus and Buddhists for different reasons. Importance for Sikhs The festival bears a great significance for the Sikhs due of the fact that on the Vaisakhi Day in the year 1699
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Mobile phones: A not-so-silent killer? Sunday‚ Jun 23‚ 2013‚ 8:42 IST | Agency: Daily Telegraph To some scientists‚ they’re deadlier than cigarettes; to others they’re (mostly) harmless. Will we ever know the truth about mobile phones? Julia Llewellyn Smith finds out. Representational image - DNA In 1996‚ Neil Whitfield‚ a sales manager from Wigan‚ was given his first mobile phone by his company. "It was introduced as a nice‚ cuddly friend. It had all of your mates’ contact details on it. It was
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