Streptomycin is also occasionally used to treat infections such as brucellosis and endocarditis. As for TB, when treating these infections, streptomycin should be used in combination with another antibiotic to help prevent resistance occuring.
DEFINITION of 'Oil Shale'. A type of sedimentary rock composed chiefly of a combination of silt and clay. Shale may contain kerogen, a type of organic matter that yields oil and gas.
Definition of Hydraulic Fracturing. Hydraulic fracturing, or fracking, is a method of underground well stimulation that is used to extract underground resources including oil, natural gas, geothermal energy and water.he fracking process begins with the identification of underground resource deposits and the acquisition of the rights of that land to drill. If the target land is vacant, gas and oil companies will purchase them for use.