Acid-stained Concrete.  love this- it looks like a copper walkway....totally want to do something like this!

Acid-stained Concrete. love this- it looks like a copper walkway....totally want to do something like this!

Natural gardening and pest control http://www.oisat.org/control_methods/other_methods/plant_ash.html

Natural gardening and pest control http://www.oisat.org/control_methods/other_methods/plant_ash.html

Properties of metals Chemical properties Form oxides when they react with oxygen Metal oxides are bases Form positive ions Transition metals have a variable.

Properties of metals Chemical properties Form oxides when they react with oxygen Metal oxides are bases Form positive ions Transition metals have a variable.

A very informative article on the chemical reactions between copper and other materials...

A very informative article on the chemical reactions between copper and other materials...

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