ALKALINE EARTH METALS what are alkaline earth metals? Alkaline earth metals are elements that are in the second group of the periodic table. the elements have two electrons on the outermost shell. the elements include Beryllium‚ magnesseum‚ calcium‚strontium‚ barium and Radium.The alkaline earth metals are all silvercolored and soft‚ and have relatively low densities‚ melting points‚ and boiling points. In chemical terms‚ all of the alkaline metals react with the halogens to form the alkaline earth metal halides
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The Earth is one of eight major planets and a host of minor planets that circle a fairly average‚ middle-aged‚ main-sequence star. It formed from the accretion of residual material from the gravitational collapse of the solar nebula that produced the Sun. Based on their specific distances from the Sun‚ the planets formed into groups of similar chemical compositions‚ sizes‚ and densities. The four smaller inner planets are of higher density and are composed of a mixture of rock and metal. In contrast
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Our planet is in great danger. For the last one hundred or so years‚ the people of earth have wasted and misused the natural recourses of earth. Several plans have been developed to stop the abuse of earth. Some of these plans I will discuss in this essay‚ many of which can be executed by any one. Environmental problems have become so complex that many individuals feel they can have no effect on them. Problems like oil spills‚ hazardous waste‚ loss of rain forests‚ endangered species‚ acid rain‚
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UR EARTH SPEECH Our earth is the only beautiful planet in our solar system. This is the only planet which has life. Since 200 a.d. everything was good‚ but since the development of human culture‚ cities and modern life style everything has been changed. Now man and other animals started behaving differently. Man started using and misusing natural resources up to the limit. Now we don’t have crude oils‚ coals‚ less forests‚ wild animals. Our environment
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What are the origins of life on Earth? This question has been highly debated by scientists for a long time. Scientists are trying to determine what makes Earth so unique that life thrives here but in no other planets that we are aware of. There are several theories that scientists have proposed in trying to determine the origins of life on Earth. Some theorize that life derived from an extraterrestrial source‚ others believe autotrophs were the source‚ and other groups hypothesizes that heterotrophs
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towards things. Some are concerned in preserving and protecting the earth; others don’t care about the subject and believe it doesn’t make a difference. The fact is‚ as everyday goes by the earth is being destroyed more and more; and we need more people to care. The point being not only to care for the earth‚ but care for yourself. Earth is the place you now call "home." A person who is extremely concerned in protecting the earth‚ for example‚ is more likely to use recycled products and won’t use
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Earth Day is an annual event‚ celebrated on the 22 of April‚ on which events are held worldwide to demonstrate support for environmental protection. It was first celebrated in 1970‚ and is now coordinated globally by the Earth Day Network‚ and celebrated in more than 192 countries each year. Earth Day is the perfect time to think outside the box. What are the consequences of our choices? What products are better for the earth? What should we avoid? Just as you might suspect‚ there’s more to saving
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and place the branch next to me and we will see if she’s a liar”. This quote came from “How Stories Came to Earth”. Anansi the spider captures animals for stories. He then shares them with his wife and then the world. The stories “How Stories Came to Earth” and “Coyote Steals Fire” has some similarities and differences. There are many similarities in the stories “How Stories Came to Earth” and “Coyote Steals Fire”. The first example of a similarity is that both tricksters both use anthropomorphism
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Save The Mother Earth By: Arjhon Acordon “I hardly can sleep. I feel that my target now is really to save Mother Earth for humanity. And it’s doable. A quotation of Mrs. Imelda Marcos campaigning Filipino’s to save mother Earth. Some people Saying that Saving mother earth was so very hard. Is anyone concerned with what our world will be like in years to come? With the effects of global warming is causing to the environment‚ it’s hard to say that our planet Earth will be the way it is today.
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One and a half acres of the rain forest-“the Lung of the Earth”‚ are lost every second. In fact‚ they now cover only a mere 6% of the earth’s land surface compared with 14% when humankind first settled. Experts estimate that the last remaining rain forests could be consumed in less than 40 years. Obviously‚ deforestation has been becoming an alarming phenomenon for the whole world. Writing about this issue‚ Laura Lopen‚ John Maier and Dick Thompson express some quite strong opinions. In “Playing
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