One day, on the way home from work, you decide to explore a side street that you'd passed on several occasions. You are surprised to find that it runs parallel to the expressway and realize that it could be used as an alternate route to and from work. Several weeks later, there is a major accident on your usual travel route and you remember the side street alternate route. You happily take this route home. This is an example of .

Latent learning

Explanation:

Latent learning is defined as the learning which is caused in absence of reinforcement .It occurs in a person's mind through subconscious retention when motivation is present to alter the behavior. .

According to the question, latent learning is displayed when the person subconsciously retains the alternate route when the actual route is blocked.He learned about alternate route through the learning that was no reinforced .

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."