Sand
By adding gold or copper and selenium compounds to melted glass.
sand and glass mixture
you get glass from sand and they compact it then use special chemicals to make it clear
Glass can be considered to be a renewable resource as it can be recycled into new glass products. It is beneficial for glass producers to recycle glass because it takes considerably less energy to recycle than to make new glass.As a bottle, it is re-usable. It is only two decades or so since milk and soda were sold in glass bottles that were returned and re-used many times over. In this case, even the cost of melting and reforming the glass is saved and the bottle could be used hundreds of times.
Both glass and concrete contain sand. Sand is melted to make glass. It is mixed with aggregate (gravel) portland cement and water to make concrete.
Sand is the common substance found on the surface of the earth that is melted to make glass. Sand primarily consists of silicon dioxide (SiO2), which is the main ingredient in glass production.
Answer- Oil because humanes can make this natural resource as strong or as weak as they need it to be.
Kaolin is a natural resource in Cape Verde. It is clay used to make china.
Since there is no shortage of sand from which to make glass, and since old glass can easily be recycled into new glass, yes, it is a sustainable resource.
the cow IS the natural resource. once you cut the cow up and make something, its not a natural resource any more. would you like to re-word your question?
Stone is both a raw material and a natural resource. Since it comes from the Earth and is not manufactured, it is a natural resource. Since it is used to make products, it is a raw material.
Natural Resources are used to make everything on the planet. The ocean is a natural resource, and it can be used to generate wave power.