class about the importance of recycling. Introduction: Attention Getter: Credibility: In my household‚ my family always recycled. Relevance: It is important to know the importance of recycling‚ because it will affect not only your future‚ but your families futures as well. Link: First we will talk about Why you should Recycle General Purpose: To persuade Specific Purpose: To persuade my public speaking class about the importance of recycling. Introduction: Attention
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Water pollution Water pollution is the contamination of water bodies . Mostly water pollution occurs in lakes‚ rivers‚ oceans‚ aquifers and groundwater. Water pollution occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatmentto remove harmful compounds. Type of water pollutions There are many types of water pollution because water comes from many sources. Here are a few types of water pollution: 1. Nutrients Pollution Some wastewater‚ fertilizers
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Describe the role of calcium in muscle contraction‚ where it is stored‚ and how it is released and recycled. Calcium storage‚ release‚ and recycling Muscles need to be malleable or have plasticity in order to function correctly. This is where calcium comes into the picture. All muscles use calcium molecules for regulatory and signaling purposes. Contraction control and relaxation control by calcium is achieved first by the activation of troponin-tropomyosin with the actin filaments. The second
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Recycling: make it the law? In 2013 we produced 254 million tons of waste. Of this 254 million tons: we recycled 34%‚ which isn’t a bad number. But of the rest of our waste that ends up in landfills: half could be recycled. That’s 84 million tons of waste that could be reused. So why are we just letting it get buried with the rest of our garbage? Recycling may be expensive and inconvenient in the beginning. But research shows the long term benefits of mandatory recycling programs. These benefits
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sustainability of all life. Chemical elements necessary for the growth and reproduction of all organisms have a limited quantity on earth at any one time‚ other than the occasional meteor that brings with it new matter. It is therefore important that the recycling of these chemical elements is efficient. Autotrophs are the basis of almost all ecosystems. The rate that autotrophs produce and transfer energy is vital to the capacity of organisms that can inhabit these ecosystems. To understand the rates in which
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Does This Thing Work? It operates on a 100 year old proven technology called electrolysis. Whenever you place two pieces of metal in water‚ and apply electricity‚ the water separates into it’s basic molecules‚ Hydrogen and Oxygen (H2O). If you look at the picture on the left‚ you will see H2O molecules connected together in their liquid form which is WATER But when you apply electricity (from your car battery)‚ the molecules separate and form a GAS (called HHO) which is a mixture of Hydrogen
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another man’s treasure. Recycling is another way of looking at trash as a treasure. Scraping is were you turn peoples trash into money and it all starts with recycling .Even thought recycling seems like a new way of thinking introduced in the 1970’s during the environmental movement. It has actually been around for thousands of years. Before the industrial movement it was hard and expensive to make products. Every one practice some kid of recycling. Large scale recycling like we have to day was nonexistent
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WATER OUR LIFELINE Water is a transparent fluid which forms the world’s streams‚ lakes‚ oceans and rain‚ and is the major constituent of the fluids of living things. As a chemical compound‚ a water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. Water covers 71% of the Earth’s surface.[1] It is vital for all known forms of life. On Earth‚ 96.5% of the planet’s water is found in seas and oceans‚ 1.7% in groundwater‚ 1.7% in glaciers and the ice caps of Antarctica
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Pollution control in recycling of lead batteries Introduction: Lead is one the most successfully recycled material in the world. Over the years lead recycling has greatly matured as a result over half of the lead produced and used each year throughout the world has been used before in other products. Today over 80% of the lead is used in the making of lead-acid batteries which are theoretically speaking 100% recyclable. Lead recycling however has one critical problem‚ lead and the many of the
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Drinking too much water can lead to hyponatremia‚ water intoxication‚ water poisoning and death Liquid H2O is the sine qua non of life. Making up about 66 percent of the human body‚ water runs through the blood‚ inhabits the cells‚ and lurks in the spaces between. At every moment water escapes the body through sweat‚ urination‚ defecation or exhaled breath‚ among other routes. Replacing these lost stores is essential but rehydration can be overdone. There is such a thing as a fatal water overdose.
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