Limestone has various industrial uses. It is a major component of Portland cement and is used as aggregate in concrete and asphalt, which makes it an economically important commodity.
During Federal building projects in 1930 during the economic great depression
This depends on the size of the limestone deposit, the rate of extraction and the economic viability of the deposit.
Economic importance of bacteria
Economic importance of cotton stainer
economic importance of phylum chordata
The economic importance of mollusc is that there are a staple food in many countries.
What is the economic importance of red algea
The economic importance of earthworms is highly under-rated.
what are the economic importance of mosquitoes
makes the world end
it importance to sustain a progress life