__________ is the mental processes of acquiring and retaining information for later retrieval and the mental storage system that enables the processes of encoding, storage, and retrieval

One can tell when civilization started because of which of the following evidence?

a. footprints of humans indicating they walked on two feet b. written material (e.g., books, tablets, etc.) c. ash remnants indicating fire d. traps found for animals

_____ is a series of introductions, separations and reunions involving the child, the mother, and an unfamiliar person

a. The Strange Situation b. The Primary Attachment Figure c. The Visual Cliff d. The Stranger Anxiety Assessment Scale