B, sanitizing.
When you use hand sanitizer or hand soap, you are using chemicals to kill off the bacteria. Washing/rinsing your hands only moves the bacteria, and doesn't kill them. Air drying your hands does not in anyway kill germs. <span />
Answer:
b
Explanation:
Because im a upper high school student i dont have much time to exercise
Answer: Gram staining method. MacConkay agar.
Explanation: Gram staining is a differential media. It is used to differentiate between gram positive and gram negative organisms.
Pseudomonas aeruginosa can be isolated from samples via an enrichment procedure. It is confirmed through use of selective and differential media
Staphylococci are catalase positive organisms. Catalase-positive cultures bubble immediately.
