ANTIBIOTIC SUSCEPTIBILITY TESTING. Bacteria demonstrate two kinds of resistance to antibiotics, namely intrinsic resistance and acquired resistance. Intrinsic resistance means that the species was resistant to an antibiotic even before its introduction.
Radiation is naturally present in our environment, as it has been since before the birth of this planet. In addition, radiation can be produced artificially, as in medical x-rays and microwaves for cooking. Nonetheless, most people are not aware of all the natural and man-made sources of radiation in our environment.
What is released into the atmosphere when you burn fossil fuel? CO2 into the atmosphere causing an increase in green house gasses which will cause global warming, (EDIT) it also effects the ozone layer (o3) causing the planet to heat up, o â¦ 3 being oxygen 3 which is ozone. carbon