I. Abstract Marketed mosquito repellents today use harmful chemicals to mankind and to the environment. As we all know today‚ the environment is now in great danger because of our carelessness. We don’t want to cause too much failure to our environment because of these deadly chemicals that are used. Based on my research mint leaves‚ calamansi extract and chili are useful to make mosquito repellents by not adding harmful and deadly chemicals that caused the environment to weaken. As a concerned
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up to sky. Mosquito life cycle One mosquito can lay more than 50-300 hundred eggs and they can lay eggs 1-7 times in one life time. The mosquito lays eggs in still water and at first the colour of the egg is white which changes to brown and then black. At the next stage we call them larva because they have a body and siphon‚ and they eat moss and organic substances. This stage usually takes 6-8 days. The larva sheds its skin to become a pupa takes 1 or 2 days. Finally as a mosquito‚ it is black
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Aedes Aegypti The mosquito that has attracted the most attention is the mosquito Aedes aegypti. It belongs to the family Culcidae‚ consisting of about 2‚500 species (Encyclopedia Britanica 1999)‚ along with other genera of mosquitoes such as Anopheles‚ Culex‚ Orthopodomyia‚ and the Toxorynchites‚ to name a few (Womack 1993‚ E.B. 1999). This mosquito has been known best for transmitting yellow fever and human dengue throughout the tropic and subtropic of the Americas (Womack‚ M
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determinant factors in the epidemiologic cycle of dengue causation VECTOR CONTROL and MANAGEMENT Vector Control_________________ include targeting the mosquito vector/s in the habitats of its larval and adult stages in households and immediate surroundings and in any area where human-vector contact may occur. understanding of local mosquito ecology which is critical for establishing an efficient and targeted strategy ONGOING PROJECTS______________ Vector Control and Management
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Rebecca Hardy Section 4 Ashleigh Stapleton June 18‚ 2012 Experiment 32: Identification of a Conjugated Diene from Eucalyptus oil Introduction In this experiment‚ the purpose was to prepare the Diels-Alder adduct of the unknown conjugated diene in Eucalyptus oil and determine the approximate percentage of diene in Eucalyptus oil. To discover the product of this reaction‚ isolate the adduct‚ and classify the diene from the melting point of its adduct. The unknown was one of four conjugated dienes
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IV- Research Plan A. Materials 1. Cacao Leaves 2. Eucalyptus Oil 3. Garlic 4. Olive Oil B. Method 1. Boil the Cacao leaves. 2. Crush the garlic using mortar and pestle then distill it afterwards. 3. Mix the boiled cacao leaves‚ the distilled garlic‚ the eucalyptus oil and the olive oil and put it in a spray bottle. There you have it‚ you’re all-natural‚ environment-friendly insect repellent. V- Introduction A. Background of the Study Studies have shown that chemical pesticides linger
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Maternity leave Introduction At present‚ almost every country has provisions for maternity leave that provided to the female employees. Most industrialized countries have some form of maternity or parental leave policy that effectively grants employment protection to women around childbirth and in some cases to either parent for an even longer period after childbirth (Puhani and Sonderhof‚ 2009). Maternity leaves are the temporary leaves that allowed by the company or institutions to a female
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Rebecca Syer Mrs. De La Fuente 4th block 18 February 2013 Divination by Tea Leaves The divination of tea leaves began in the 17th century when tea became a very popular drink. As people began drinking their tea‚ they came up with tasseomancy‚ or tasseography‚ which is just a type of tea leaf divination. People prefer divination by tea leaves because it is the easiest and most accessible for everyday people. It is a form of scyring. First of all‚ Tea is poured into a cup without a strainer‚ and the
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Benefit of potato: Blood-Pressure Lowering Potential good source of vitamin C‚ a good source of vitamin B6‚ copper‚ potassium‚ manganese‚ and dietary fiber. Benefit of pandan leaf: the leaves are used for treating diseases of the skin leaf is used in making grass green Pandan cake Benefit Of Lotus Leaf: used for treatment of summer heat syndrome and dampness accumulation lowering blood lipids
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Variagated Leaves Total absence of plastid pigments causes a sector of a leaf or stem to have white patches. This condition is termed variegation (Metrosideros). Variegation is produced when there is a cell mutation (cytological chimera)‚ and all cells produced from that mutant mother cell lack the pigments‚ either because plastids are not present or the plastid cannot complete the manufacture of the pigment apparatus. White‚ therefore‚ is where color is missing. The zones where chloroplasts are
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