You continue to push on a door when, according to a sign on that door, you should try pulling open the door instead. Which barrier to problem solving are you failing to overcome?

mental set

Explanation: Problem solving could simply be defined as a set of processes required to proffer solution or find answers to a problem. The most commonly identified barriers to problem solving include ; confirmation bias, mental set, functional fixedness, unnecessary constraints, and irrelevant information.

In the scenario above, the barrier to problem solving the individual is failing to overcome is the mental set, which could be explained when an individual is rigid on a particular method or procedure adopted in solving previous problems. There is every possibility that, the individual was successfully able to open previous doors by pushing the door and has become inclined to the idea of pushing on all doors to gain entry.

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

. austria-hungary began seizing british colonies in africa.