<span>The knowledge gained by studying science is often used to address the practical problems of society.
You see it in medicine a lot after much experimentation it tries to fix an illness that we have in society.</span>
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Answer:
it’s called a solder. It’s used to permanently fuse two metals together. And they’re used in many different areas like construction, technology, etc.
That pic that you have i think is a computer chip or something similar.
So a solder is the tool that is used to make metal into liquid.
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