The Toxic Substance Control Act (TSCA) covers all chemical substances, regardless of what they are used for. The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) covers only substances used for those purposes. For example, FIFRA might cover a particular insecticide product, but it would not cover the precursor ingredients. Those would be covered by TSCA.
federal insecticide fungicide rodenticide act
Comparision of mhoperlogical And biological species concept
A variable!
gaining words by comparision
Good Laboratory Practices Standards: http://www.epa.gov/compliance/monitoring/programs/fifra/glp.html
ratio
Degree of comparision: Safe Safer Safest
in copputer science
Literature value?
That is sometimes called a ratio.
Yes they are cheap, but on comparision websites it shows that asda is cheaper.
The verb of comparison is compare. As in "to compare something or someone".