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.
Radioactive contamination and radiation exposure could occur if radioactive materials are released into the environment as the result of an accident, an event in nature, or an act of terrorism. Such a release could expose people and contaminate their surroundings and personal property.
1 The â radiation â leak has had a â disastrous â effect on the environment. 2  We must â ensure that â tourism â develops in â harmony with the environment. 3  We won't â invest in any â company that â pollutes the environment. 4  A â dangerous â amount of â radioactivity was â released into the environment last â month.