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The density of aluminum is 2,7 g/cm3. To be lighter aircraft need materials with very low densities.
because it can stay heated longer than other materials. It can also withstand a high temperature. .
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renewable recources
This is a chemical process used to make high purity and high quality solid materials. It is used frequently in the electronics industry and is also useful in making synthetic diamonds.
Because it was rich in materials, useful in making iron
because ohmic materials such as resistors can be placed in ur bedroom for safe sex
Constituents, appearance, shape, and taste are used to classifying materials. This is useful because materials with similar properties can be placed in the same category.
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Money is a convenient tool for exchange, making it useful to people.
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Because Management Account is useful for the future and may be use for any business currency.
it is useful to know which materials are electrical conductors so if you wanted to make an electric current you could. For example is you where making a circuit you would need to know which materials you could use that would conduct electricity.or if there is something stuck in a power point you know what material to use to get it out without getting electrocuted
== == 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
This is necessary because we need more and more special materials with interesting and useful characteristics.