Ruth has come down with measles. She remains Ill for a few days but is unlikely to get measles again. Which type of Immunity is characterized here?
OA innate Immunity
OB. acquired Immunity
Ос.
Internal Immunity

Each hereditary trait corresponds to

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic

Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution