Distinguished ladies and gentlemen. Acid rain is becoming a widespread problem around the world. The amount of acid in rain has dramatically increased in the past decade in certain areas like America and Europe by 70%. How is it caused? It is formed by the chemicals in the process of burning fossil fuels mixing with the moisture in the Earth’s atmosphere. Acid rain come in two forms‚ wet and dry. Dry deposition‚ a more accurate term for acid rain‚ can appear to be snow‚ hail or other dry particles
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“energise” has increased significantly. Energy drinks were recently shown to comprise 20% of the total convenience store beverage market‚ with “Red Bull” and “V” accounting for over 97% of sales in this multimillion-dollar industry.1 Increasingly‚ toxicity from caffeine overdose is being reported to hospitals and poisons centres. The main active constituents of energy drinks include varying amounts of caffeine‚ guarana extract‚ taurine and ginseng. Additional amino acids‚ vitamins and carbohydrates
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1. How ICT affects developed countries In developed countries‚ people have enough money to purchase the latest equipment and gadgets. They are also highly knowledgeable as they have money to spend on training to improve their skills. Due to CAD and CAM software‚ work is becoming more efficient. The medicine field is also advancing and new cures to diseases (Eg: cure for HIV) are being found due to the improvement of technology. The number of crimes (Eg: identity theft‚ hacking‚ credit card fraud)
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THE BIOSPHERE RULES Use a Parsimonious Palette • 6 Natural Elements account for 99% weight of living things. “More perfect nature is fewer means it requires to operate. “ • Different materials add different performance charactertics - Potato chip Bag • A simple palette makes recycling easy where as all the products cannot be recycled back. Less Is More Cycle Up Virtuously • Nature: Repeated use of the same materials allowing biosphere towards more integrated and sustainable community
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C. Procedures I. Research Design Since the research is experimental in nature‚ the researcher will use Randomized Complete Block Design (RCBD). There will be four treatments used in the experiment. Treatment A will be the control variable represented by Sunflower (plant proven able to perform phytoremediation). The other treatments B‚ C‚ D will be obtained from Lagundi (Vitex negundo) plants. The treatments will come from different areas be exposed in different toxic substances such as lead and
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Introduction: One of the many problems of any home or infrastructure is keeping the shininess and the cleanliness of the floor and only thing that make this possible is the product called Floor wax it is applied on floor surfaces to make it scuff-resistant‚ water-resistant‚ slip resistant and glossy. It provides a thin‚ protective and hard surface layer when applied to flooring. In this modern age‚ floor polishes is made from synthetic materials and with the advancement of synthetics so does floor
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Eco Friendly Products Going green is the new movement in America. Corporations are creating products that they like to call “eco friendly‚” meaning they will not harm the environment. These corporations want us to believe that products such as light bulbs‚ cosmetics‚ cleaning products and even cars will help slow down the process of global warming and will help the environment. While some of these may be sufficient‚ some are not. Using non-toxic cleaning products is one way we can to keep our environment
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Gold mining is a serious problem due to air‚ water pollution it produces an it threatens the human health. It is a term used to define the series of processes to extract gold from underground. It is impossible to know the exact date that humans first began to mine gold‚ but some of the oldest known gold artifacts were found in the Varna Necropolis in Bulgaria. The graves of the necropolis were built between 4700 and 4200 BCE‚ indicating that gold mining could be at least 7000 years old (Oancea
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Phytoremediation has shown to be very cost effective and a non-invasive alternative to chemical remediation of contaminated sites. The area where soil is the most polluted are residential areas‚ farm lands and industrial sites (Stephens 1995)‚ all these areas are inhabited by humans so it is essential that the toxic components in the soil are removed in a safe and protective manner. This is where our friendly plant friends come in‚ phytoremediation uses natural or genetically modified plants; often
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Introduction This essay will focus on heat stress in different working environment. I will first summarize the news that related to occupational health. Then‚ a brief discussion about the general work space will be written. Afterward‚ an in-depth exploration on the occupational health issue (Heat Stress) will be conducted. At least personal perception and conclusion will be written. Summary of News An industrial accident happened in a transportation container at Yau Ma Tei Fruit Market on 4th
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