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Calcium

Chemical Reactions Part 2- Reactions of Metal Carbonates with Acids

by Adam, Mar 12, 2007

A continuation about Chemical Reactions. This one is about the reaction of Metal Carbonates with Acids, and again, is easy to understand.

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The Skeletal System

by biofreak, May 28, 2007

The skeletal system is our body's framework. Without it we would be a blob of skin, organs, blood vessels, muscles and nerves that would collide with each other and kill us. Many think that bone is just white stuff that keeps our shape normal. However, bones are much more complex than we think they are.

Comments(4) Liked It: 2

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