Answer:
the echo faded before being stored in short-term memory
Step-by-step explanation:
The short-term memory is one of the major parts in the "information processing model of memory" and is considered as one of the types of the memory through which a piece of information through in an individual's mind.
At first, a piece of particular information comes from external stimuli and being processed in the sensory memory and after that, it travels to the short-term memory and at the end entered in the long-term memory.
In short-term memory, a piece of information lasts for about a few seconds after that it gets vanished if kept un-rehearsed.
In reference to the question, the given statement represents the delayed recall due to which the memory fades away before getting stored in the short-term memory.