insect repellant in the market. The commonly used commercial liquid insect repellant in the Philippines is quite unaffordable and use chemical that may cause irritation. The researcher plans to use all natural ingredients in the liquid insect repellant in his study. Since the ingredient to be used is natural‚ the liquid insect repellant to be made is more affordable and environment friendly. B. Statement of the Problem Is it possible to make an effective liquid insect repellant out of
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ECONOMIC IMPACTS OF NATURAL DISASTERS ABSTRACT: Disasters of both natural and technological origin have a considerable impact on communities. The effects of disasters in India are significantly reduced by well established counter disaster arrangements at all three levels of government. These arrangements comprise comprehensive plans of prevention‚ preparedness‚ response and recovery and in more recent times‚ of mitigation. The economic effects of disasters can be devastating and widespread. When
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How are pollutants transported through water?..................................................................7 V. How do organisms respond to water pollutants?.................................................................8 VI. What general effects can water pollutants have on organisms?..........................................8 a. Genotoxicity……………………………………………………………………..…8 b. Carcinogenity…………………………………..…………………………………..8 c. Neurotoxicity………………………………………………..……………………...9 d. Disturbance of energy
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What is natural selection? For Darwin‚ natural selection is a process when evolution changes from nature in which is consistent and orderly. Darwin explains two different categories that help the theory of natural selection: descent with modification and common descent. Which one of these categories would be better for beings to survive. Darwin uses two different examples to help illustrate the differences between these two categories. Through Darwin’s explains with these two illustrations‚ descent
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INTRODUCTION Lab #2 focused on the predator prey concept. Charles Darwin’s concept of survival of the fittest is what was tested in this experiment. Darwin’s concept of survival of the fittest states that the animals that are able to adapt to their environment the best are the ones who will survive and pass on those adaptations to their children. Animals adapt for many different reasons some of them might be to help defend against a predator‚ to be able to retrieve food more efficiently‚ or just
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Natural Causes of Climate Change The earth’s climate is influenced and changed through natural causes like volcanic eruptions‚ ocean current‚ the earth’s orbital changes and solar variations. Volcanic Eruptions When a volcano erupts it throws out large volumes of sulphur dioxide (SO2)‚ water vapour‚ dust‚ and ash into the atmosphere. Large volumes of gases and ash can influence climatic patterns for years by increasing planetary reflectivity causing atmospheric cooling. Tiny particles called aerosols
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critical natural disaster? The disruption in Brisbane includes effects on major industries such as agriculture‚ tourism‚ retail trade and manufacturing. The research posed in this paper was evaluated from the economic impact after the floods and the statistics highlight the significance of the effects from the natural disaster. The impacts from flooding depend greatly on the location and the extent of the flood. It also differs significantly on the vulnerability and value of the natural and constructed
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UNIT 1 – LESSON 2 NOTES Natural Selection and Evidence for Evolution: The mechanism for evolution is called Natural Selection to distinguish it from Artificial Selection. Evolution occurs at the population level because genetics don’t change. The frequencies of different genetic types (genotypes) within a population do change over time & can create new species. There is genetic variation in all populations; some individuals are successful at surviving and finding resources & produce
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Natural Resources and Energy Paper Natural ecosystem is a natural unit consisting of all plants‚ animals‚ and microorganism in an area functioning together with all the non-living physical of the environment which plants and animals are dependent upon one another‚ and their particular surroundings-for survival. Natural ecosystems make up the planet on which we live as well as the entire universe. They are dynamic and interconnected. An ecosystem is a collection of all plants‚ animals‚ microorganisms
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impacts of global warming vary depending upon perspective and in this paper I will discuss the debate of whether global warming is caused by human activity and carelessness or whether it is just a normal part of the Earth’s natural cyclical processes. Global Warming: Natural or Manmade? Global Warming has been an intriguing and worrisome subject amongst environmentalists‚ scientists and society alike‚ especially in the last few decades‚ but is global warming a topic to raise concern or just a
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