surface, where it can be combusted. Once that occurs the exchange CO2 in the atmosphere and CO2 dissolved in water are continually exchanged. Finally, combustion converts fossil fuels and plant material into CO2 and then the cycle starts all over with photosynthesis. 2. A biome is a large natural community of plants and wildlife in a major habitat, like a tundra, desert or forest. In addition, it is made up of all the habitats of a community that make up comparable
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affect the DO level? Reduced DO levels in stream water may be because the water is too warm. The increased molecular activity of the warm water pushes the oxygen molecules out of the spaces between the moving water molecules. Decreased DO levels may also be indicative of too many bacteria and an excess amount of biological oxygen demand - BOD (untreated sewage, partially treated sewage, organic discharges, anoxic discharges) which use up DO. A third reason for decreased DO may be fertilizer
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Assignment Final Project Complete the Final Project Science Meets Real Life Whether you think of yourself as an up and coming scientist or not, you use science every day. You will explore how you apply different aspects of science in your daily life in a two part project. In 1,500-words (minimum), discuss the following: PART I: SCIENTIFIC METHOD Each and every day, we are faced with having to make split-second decisions, and the need to solve random problems that we encounter. To reach
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Environment - how can you help to protect it? Environment is an important part of human life and a healthy environment is a must for human existence. Therefore, it is crucial that we take care of our surroundings and help nature maintain ecological balance so that we could hand over to the coming generations the environment as we found it, if not any better. Our planet is changing. There are a lot of things that affect our planet in a bad way but the good news is that everyone can help to reduce
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limited to the fence that they were enclosed in. this competition was a density dependent factor in that the death rate rose when population density in the plot rose. Also, some of the specie’s ecological niches (like what nutrients they needed and how many branches would form) would have had to been the same or else they could coexist together. Then, one of the species of wildflower might have had a reproductive advantage like thorns to repel the kangaroo rats which would have allowed them to prosper
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PHILIPPINE FLORA AND FAUNA Flora and fauna refer to plant and wildlife, respectively. The indigenous plant and wildlife of a geographical region is often referred to as that region’s flora and fauna. Both are collective terms, referring to groups of plant or wildlife specific to a region or a time period. For example, the flora and fauna of a warm region may consist of tropical to warm-temperate vegetation and exotic species of birds. By definition, flora is a word of Latin origin referring to Flora
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University of Phoenix Material Environmental Pollution Outline Complete the following outline using Ch. 21–25 of the text. Use complete sentences. Here is an example: Example - Environmental History Before 1960, few people had ever heard the word ecology, and the term, environment, meant little as a political or social issue. Silent Spring by Rachel Carson Rachel Carson published Silent Spring in 1960. At about the time the book was published, several environmental events were occurring
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example, in the nucleotides that are the basis of DNA, May not all is expressed at other levels — such as protein differences or observable changes in the appearance of a plant. The rate of mutation is useful in determining evolutionary relationships. Mutations can be beneficial, neutral, or harmful for the organism, but mutations do not "try" to supply what the organism "needs." Factors in the environment may influence the rate of mutation but are not generally thought to influence the direction of
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CHAPTER I PROBLEM AND ITS SCOPE Background of the Study Have you ever wondered how laundry detergents started? Where did one of our most used cleaning products come from? Initially, people would wash their clothing in a lake or river using a wash board and some soap. Throughout the time of the Egyptians and Babylonians, soaps came from rendered animal fat and ashes. It wasn't until World War II that laundry detergents came out. Laundry detergent is not a soap but actually a chemical compound
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businesses. Corporations often manage production on a mass-scale producing food for people, either through beef, dairy, and crop production. When they produce on a mass-production scale, big businesses take up more and more land as their demands for food grow, pushing out the smaller farm or ranch. Corporations also tend to monopolize and dominate a particular market, driving market prices down, reducing competition, and subsequently force the smaller family farms in a precarious position in terms of income
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