Answer:
retrieval failure
Explanation:
Retrieval failure: In psychology, the term "retrieval failure" is described as a forgetting phenomenon which is related to a person's "long-term memory", and is defined as specific difficulties that an individual faces while recalling a piece of information due to the fact that a certain retrieval triggers or cues are absent.
Cause: An individual who experiences difficulty or incapability in receiving specific memories.
In the question above, the given statement signifies the retrieval failure.
Stimulants are often used to treat ADHD
The economic consequence which doesn't relate to obesity in this case would be D - the cost of services for chemotherapy. The amount of money that chemotherapy costs is largely unrelated to obesity levels either of the one who's giving it or the one who's receiving it.
The answers to your question are,
A. Flat bottomed boats;
B. Carts driven by animals;
D. Seagoing vessels.
-Mabel <3