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Useful and non-useful energy transfers for coal?
Useful: Energy Light Sound Non-Useful: Electricity C02
Is argon useful or not?
it is useful for idiots
What is the useful effect of virus?
useful effect viruses
What is most useful when it is broken?
Silence is most useful when broken.
Is a swamps useful to the country?
YES swamps are useful to the country
Which one is the best insulator of heat wool or polysterene?
polysterene?
Is polysterene a good insulator?
no
What products can you make from polystyrene foam scraps?
polysterene foam can be one of the materials in making tiles.
If what substances are used in aerosol and in manufacturing of polysterene that are depleting or destroying the ozone layer.?
CFC's are used in aerosols. They deplete ozone.
Where does polysterene come from?
Polyesterene comes from a very strong plastic. The plastic is created with erethylene and benzene. They can be molded, extruded or injected into the plastic.
How many tons of steel in opera house?
I do not know but the roof of the Opera House has a lining of polysterene in it and this protects the sound for escaping and also prevents an echo.
How many 40 feet containers to fill 12500 MT?
The answer depends on the density of the material being loaded. 12500 MT of steel bits will require fewer containers than 12500 MT of polysterene (styrofoam) beads.
How many types of plastics are there?
plastics are of 5 types[1]- polythene[2]- polyvinyl chloride (PVC)[3]- orion/polyvinyl cyanide /polyacryl nitrile (PAN)[4]- polymethyl meth acrylate (PMMC)[5]- polysterene
What is the comparative and superlative forms of useful?
more useful, the most useful
What is the Superlative and comparative to the word useful?
Most useful and more useful.
What is the comparative from useful?
The comparative form of "useful" is "more useful."
Comparative and superlative forms of useful?
Comparative: more useful Superlative: most useful
