Communicable disease and its incubation period.
Disease Incubation periodChicken pox 14-16 days can vary from 10-21 daysMeasles from 10 days of exposure to onset of fever, …
Read MoreHorrock’s apparatus
Q. Horrock’s apparatus estimates: a. Free cholorine b. Combined Chlorine c. a+b d. Chlorine demand. See answer & explanation Correct …
Read More