The conditions that must be met before a specific pathogen is proved to cause a disease include; Pathogen must be present in every case in which the disease is found, pathogen must be isolated and grown outside the body in a pure culture, healthy animals infected with culture must develop the disease and finally the pathogen must be re-isolated and cultured from the newly sick animals and must be identical to the original pathogen.
The correct answer for this question is C - the best description of a
chemical reaction from the answers offered here is that it consists of
the forming and breaking of bonds between particles. There are not any
atoms destroyed in a chemical reaction, so B and C are incorrect, and
although mixing two substances together (as specified in A) could
produce a chemical reaction, this is not the best way of describing the
actual chemical process.
<span>The maximum amount of time allowed by the FDA food code that time/temperature control foods can be kept in the temperature danger zone is </span>less than 4 hours.
Baker Hill.
hope this helps
happy thanksgiving
D - increased osmotic pressure of the body fluids
