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Stop Global Warming Renewable Energy Sources
2,703 wordsThe given paper is designed in order to consider different views on global warming, its causes and environmental pollution fault in this phenomenon. We will provide the views of different scientists and make our own conclusion concerning global warming reasons, real danger and prevention. Outline 1. Introduction 2. The history and investigation of global warming causes 2. 1. Joseph Furriers supposition 2. 2 Researches of Simon Tatt's group 2. 3 Research of Humphrey Crick and Timothy Sparks 3. Th...
Free research essays on topics related to: stop global warming, parts per million, 20 th century, point of view, renewable energy sources -
Cultural Evolution Biological Evolution
997 wordsCultural evolution began to occur during the most recent Ice Age, or within the last hundred or fifty thousand years. This is when the tools thats are used for sophisticated hunting are found; for example the spear thrower, the fully barbed harpoon, and the flint master tools that were used to make all the hunting tools. Cultural evolution took shape because man had the flexibility of mind to recognize inventions and to turn them into community property. The Ice Ages forced man to depend less on...
Free research essays on topics related to: evolution, ice age, cultural evolution, biological evolution, thousand years
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