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Solid objects are made of materials. Without materials, there would be nothing but radiation, or subatomic particles in the universe. Such a universe would not be very useful to us. We are material creatures.
Yes. My government should mandate the use of materials that biodegrade once their useful life is over. Whether anyone will note, remember, or heed what the government mandates is another issue entirely.
in animals -- build bones. It is in many useful building materials. Concrete, limestone in many forms,
we can create a program which is useful for others and can resolve the problem in less time
Technology design involve a knowledge of the flowing properties of materials. Viscosity is dependent on temperature and pressure.
Society for the Diffusion of Useful Knowledge was created in 1826.
vestigial
vestigial
Boston Society for the Diffusion of Useful Knowledge was created in 1829.
== == to gain limestone and other useful rocks to get useful materials/ make useful materials out of the produc you collect, for example you can get steel, cement , glass and concrete
It can be useful in flushing infectious materials away from a wound.
If you are stuck with metal for example you can heat it
Both :)
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The purpose of mining is to find and retrieve useful materials in the ground and bedrock.
an resource