Why must fire extinguishers be routinely maintained? Select the best option. So that the area is fireproofed So that employees know how to use them To make sure they remain effective To keep the employees ready for fire drills

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