Which practice is the single most important method to break the spread of infection?

a. covering your mouth when coughing

b. using sanitizing in place of soap and water

c. washing hands

d. wearing gloves

Tanya is not able to solve a problem because she’s unable to see it from a fresh perspective. which obstacle to problem solving is tanya experiencing? a. fixation b. counterproductive heuristic c. confirmation bias d. overconfidence