such as e-cigarettes for example. One of the alternatives people have been seeking is a safer and more effective esolution for toothpaste. Diatomaceous Earth is a remarkable sunstance that is not only 100% natural‚ many experts believe that it does a more effective than commerically produced toothpaste. What Is Diatomaceous Earth? Diatomaceous earth is a fine powder that consist of diatoms which are fossilized phytoplanktons that have a cylindrical form. The thing that makes this subatnce so unqie
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age of the earth has been debated for centuries. Some people think that it is the big bang and everything evolved after that. They believe that that it took billions of years for earth to form. Others believe that God created the earth in seven days‚ and that the earth is young. There are plenty of evidence that earth is young. For example‚ there is only a little bit of sediment on the seafloor‚ but if the earth is 4 billion years old there would be more. Another example‚ is if the earth was old soft
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and rare earths Of metals and market forces Is China’s grip on essential minerals loosening? Feb 4th 2012 | HONG KONG | from the print edition ALL that glisters is not gadolinium. Even so‚ that mineral and its 16 “rare earth” cousins—found in everything from batteries to catalytic converters—do help make the modern world go round. And‚ as the world’s manufacturers of such products have been reminded recently‚ China has a chokehold on their production. China’s grip on rare earths first made
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Good morning Miss and my fellow classmates. Today‚ I would like to talk to you about topic on “save the earth and save mankind”. My dearest audience‚ imagine it’s after class now and you’re heading back to your car under the bright hot sun. After you get in the car‚ you grab some tissue and wipe all your sweat. What would you do after using the tissue? Well‚ let’s be frank. We wind down the window and just throw them outside. It is fun doing it when you see no cars behind or beside you. Let’s pollute
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The layers of Earth How do scientists know what is in the center of the earth? How can we know what the core of the earth is made of‚ if scientists have never studied any materials from a depth below 7.5 miles? Earth is approximately 4.6 billion years old‚ and over this time period‚ many things have changed inside and out. The formation of our planet is quite amazing. Earth consists of multiple layers. The three most distinct or main layers are the core‚ mantle and crust. The inner portion is
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ES 1010‚ Unit 8 Question 11 - Discuss stellar evolution (describing each stage in brief). What forces are opposing one another throughout the life of a star and how do they influence the various stages in the life cycle of a star Stellar evolution stars exist because of gravity. The two opposing forces in a star are gravity (contracts) and thermal nuclear energy (expands). Stage 1 Birth is where gravity contracts the cloud and the temperature rises‚ becoming a protostar. Protostars are a
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church‚ the age of the earth was 6‚000 years old. 2. James Hutton discovered that the earth was much older from the tilted rocks because he knew these rocks was once laid down horizontally on the sea floor and were buried under great depth to be crystalized. Then they were tilted on end by great earth forces and then eroded away. The rocks were then deposited on top. He understood it had to take millions of years for this process to happen. 3. Lord Kelvin calculated the earth to be around 20 million
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The major theme that is in this documentary is self explanatory which is arguing that the earth is flat. This documentary and our class in my point of view both have a smilier theme. A simple answer is that they both discuss myths. For example in the documentary‚ Mark discusses that the Earth is flat and tries providing many points of proof and in class we had earlier talked about the Lion Gate in Argolid‚ Greece. According to Greek mythology‚ the Lion Gate was built by cyclops because physically
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“How the Earth was Formed” video notes: Theory: -sun was surrounded by a cloud of dust and gas -as cloud cooled little grains of minerals started forming -grains of minerals started bumping into each other (Problem was nobody could explain how these microscopic minerals formed a planet) Then in 2003 astronaut Don Pettit performed an experiment onboard the international space station. He put some salt in a plastic bag and found that almost immediately the grains started gathering together into little
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Some people believe that the Earth is being harmed (damaged) by human activity. Others feel that human activity makes the Earth a better place to live. What is your opinion? Use specific reasons and examples to support your answer. We all know that people in the prehistorical period had to struggle natural environment in order to make livings. They had to hunt preys and gather fruits‚ even cut down trees to build their houses. However‚ as technology improved‚ many people are aware of human activities
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