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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for a metal ion indicator to be suitable in n EDTA titration‚ it must not bind as strongly with metal ions as EDTA does. Murexide is therefore suitable. AIM The aim of this experiment is to determine the percentage of nickel in a nickel(II) salt using EDTA. METHOD The following apparatus was collected: 50cmᶟ burette ●Glass stirring rod 20cmᶟ pipette ●Hydrated nickel(II) sulphate (NiSO₄.6H₂O) 100cmᶟ standard flask ●Standardised 0.10moll⁻¹ EDTA solution 250cmᶟ conical flask ●1 moll⁻¹ ammonium
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Family Composition Yes‚ it seems that a family is one of the biggest God’s gifts. As a rule‚ we do not notice this in our everyday life. We just know that we have our mom and dad‚ grandparents‚ and other family members. And only in some specific moments we realize how these people are important to us‚ and that no one else in this world will love us as they do. In my family I still have my mom and my dad; I’m the eldest among my three siblings. There are three girls and only one boy in
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Composition of the Atmosphere The Earth is surrounded by air—a mixture of various gases that reaches up to a height of many kilometers. This envelope of air makes up our atmosphere. It is held in place by the Earth’s gravity. Almost all the atmosphere (97 percent) lies within 30 km (19 mi) of the Earth’s surface. The upper limit of the atmosphere is at a height of approximately 10‚000 km (about 6000 mi) above the Earth’s surface—a distance that is nearly as large as Earth’s diameter. The proportion
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Original Composition Certain Events Change Our Impression of Life People can say that three and a half minutes is insignificant compared to the rest of our lives‚ but I know that three and a half minutes can be an eternity‚ and can change everything about me. Training six days a week‚ every week of the year‚ for the past seven years‚ all of that to come down to this last program‚ this last 3 and a half minutes. Those 3 and a half minutes better last forever. Six minute warm-up‚ then
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Composition of Blood Plasma consists of: a) Nutrients b) Hormones c) Water d) Other liquid substances like water. A formed element consists of: a) White blood cells (WBCs) providing us the immunity b) Red blood cells (RBCs) carries the oxygen responsible for red color of blood contain hemoglobin‚ a molecule which contains iron c) Platelets blood clotting Reasons to make A.B. 1) Blood group problem. Human being cannot take blood of every human and the reason is the difference
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comparison and contrast from the number of countries that do have maternity leave to the number that do not. In the third paragraph‚ she uses narration by telling the reader facts about the benefits of breast-feeding along with consequences of not using the breast-feeding method. The fourth paragraph contains narration again-this time by letting the reader know the amount of countries that guarantee a minimum amount of paid leave. Jody uses exemplification again in this paragraph by providing evidence
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Pennies were the first coin minted in the U.S ‚the first U.S penny is 223 years old. In recent years‚ there has been a heated debate about money in the United States. Surprisingly‚ it is about the pros and cons of producing and using pennies. In my opinion the penny should no longer be used and produced in America today. Here are some reasons why‚ pennies cost more than it’s worth‚ they are not big money‚ and are so close to worthless. ‘‘ Michael Cooper‚ an eighth grader
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the ‘penny’‚ has been a part of United States history for over two hundred years.” It’s time for those two hundred years‚ and counting‚ to be over. The penny needs to stop being produced to best help the consumer and the government. In “Penny Anti” by John Fund‚ the economical reasons for getting rid of the penny are listed‚ as well as alternative solutions to the one-cent piece. In the second article‚ “The Many Faces of the Penny‚” by J. Wendell Shelton‚ there is a backstory of how the penny we know
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Over the past few years‚ the debate on whether or not the penny should remain a part of the U.S. currency system has increased in popularity. With many politicians‚ journalists‚ and everyday citizens giving their opinion‚ the topic has certainly caused controversy. Although many would suggest otherwise‚ the penny coin is a historically and monetarily valuable aspect of American culture that should remain intact. Pennies hold significance in retaining American history. It had been the first coin
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