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 Which Two Atoms Are Most Common in the Earth's Crust?

Answer More than seventy elements occur naturally in the Earth's crust, or lithosphere. However, the eight most abundant elements account for more than 98 percent of the crust by weight. The most common o... Read More »
http://www.ehow.com/info_8519564_two-atoms-common-earths-crust.html

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Which element has the most atoms?

An element is a substance containing atoms that have the same number of protons. Chemically, elements are the simplest substances and cannot break down further except by using nuclear processes, wh... Read More »
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Which is the most common disease?

Which are the most common disease in children in US?

Asthma is a common chronic disease among children in the United States. In 2006, 9.9 million children under 18 years of age were reported to have ever been diagnosed with asthma; 6.8 million childr... Read More »
http://wiki.answers.com/Q/Which_are_the_most_common_disease_in_children_in_US

Which is the most common disease in the world?


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