In a computer, where is silver and copper? Where is gold? What do these precious metals do in a computer?

How are precious metals retrieved from an old computer?

How is the gold separated from a microprocessor?

What does this gold become?

Why is the metal in other computer parts harder to recycle?

How do positive and negative charges help to recycle the metal?

How are gold salts created?

Are all of the metals used again in computers? What else could these metals be used for?

What do satellites and the space shuttle use gold for?

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.

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