Table below shows the layers of the Earth : Layer Composition Depth Properties Crust Oceanic crust Continental crust Basalt Granite 7-10 km 20-70 km Cool‚ rigid‚ and brittle Cool‚ rigid‚ and brittle Lithosphere Lithosphere includes the crust and the uppermost portion of the mantle Varies; the crust and the mantle have different compositions About 100 km Cool‚ rigid‚ and brittle Mantle Uppermost portion of the mantle included as part of the lithosphere Asthenosphere
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MINERALS 5 CHARACTERISTICS OF A MINERAL: 1)Naturally Occuring; 2) Be a colid; 3) Have an orderly crystalline structure; 4) have a definite chemical composition; 5) generally be inorganic Which are not classified as Minierals & Why: Gold‚ Water‚ Synthetic Diamonds‚ Ice & Wood: Gold-YES – naturally occurring; Synthetic Diamond: NO – Manmade; Water: NO – liquid state‚ only a solid material can be considered a mineral – in it’s naturally occurring ice state it is a solid and therefore a mineral;
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events in each era. Did more Earth-shaping events occur early in Earth’s history or later on? Explain why. Based on my geologic time scale‚ there are three events in Precambrian Time‚ two events in Paleozoic Era‚ four events in Mesozoic Era and one event in Cenozoic Era. These events mostly occurred later on in Earth’s history. Mesozoic Era has the most events which are four out of ten events on the list‚ mean that Earth-shaping events happened more recently. Earth-shaping events occur later on
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An essay on Earth Day The subject of Earth Day has been covered intensively by the world press over the past decade. Many an afternoon has been enjoyed by a family‚ bonding over the discussion of Earth Day. Until recently considered taboo amongst polite society‚ it is yet to receive proper recognition for laying the foundations of democracy. Often it is seen as both a help and a hinderence to global commercial enterprises‚ who are yet to grow accustomed to its disombobulating nature. Complex though
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attempts to conform to the expectations of the group. Over the past century there has been a dramatic increase in percentage of people who are affected by social pressure. Therefore‚ they come up against significant problems. These problems effects people’s lives negatively and people are affected by each other easily. This is like a loop and each person is affected by another person. Thus‚ some problems come forward such as; identity loss and lack of self-confidence. First of all‚ people
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Lovingly dedicated to: my son Daniel‚ my mother Pauline and my father Bill. Earths Forbidden History Part One Searching for the Past By Maxwell Igan Authors Note The main goal of this book is to provide information to people‚ much of it that is sometimes quite well hidden. It is my sincere hope that everyone who reads this work will be inspired to question things; and to search out these‚ and other new truths and discoveries for themselves. When I first started this
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We are all aware of the current state of our environment. Mother Earth is on the brink of total destruction brought about by pollution‚ irresponsible use of resources‚ and the excessive use of conventional fuel such as fossil fuel and nuclear energy. Part of the efforts to save our planet is to shift from using conventional fuels to alternative ones such as wind energy‚ solar‚ tidal‚ wave‚ thermal‚ biogas and biodiesel‚ alcohol and gasohol‚ and agro/industrial wastes. While others may argue
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Pilipinas Observes Sight Saving Month Alagaan ang Mata mula Bata Hanggang Pagtanda By Argeline Quiason and Rey Emmanuel Quiason All over the world‚ about 285 million are visually impaired with 39 million totally blind and the reset with poor vision‚ according to the WHO. In the Philippines‚ no exact figure is available but a survey in 1995 showed that more that 1.2 million Filipinos are either totally or partially blind in one or both eyes. Visual Impairment is not‚ however‚ limited to blindness
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Mobile phones have become a necessity for life‚ and without this thin gadget‚ many people would feel incomplete. We now use mobile phones in our everyday life as a phone‚ voice recorder‚ diary‚ alarm clock‚ watch and for making and confirming appointments‚ dealing with clients etc. Mobile phones are for many‚ fundamental when organising their lives. Mobile phones are not simply an electronic gadget‚ and it is difficult to define in one way about the usage of mobile phones. With the advances of technology
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Krauthammer’s “Saving Nature but Only for Man” Charles Krauthammer‚ in his essay “Saving Nature‚ but Only for Man‚” argues against whom he refers to as a sentimental environmentalist. Charles Krauthammer is a well-known right-wing political columnist and commentator who has worked or contributed to a number of magazines throughout his career (Krauthammer 292) His purpose behind writing this article was to prove that nature is here to serve man and not the other way around. The logic of his argument
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