"Shayla is able to retain the vocabulary she learned in her first semester Spanish class after the class has ended. The main memory process that accounts for the fact that Shayla can hold information in her memory for extended periods of time is"

Storage

Explanation: Storage refers to process of keeping or retaining data or information in memory. Storage is one of the three stages of memory which are encoding, storage and retrieval. The storage stage involves the creation or placement of encoded information in memory. Storage of information could be In an individual's sensory memory which retains sensory information. Short term memory storage and long term memory storage which differs in the amount of time an encoded information could be held or stored in memory.

i think it is the third one.

answer; environmental science;