What is the main difference between short-term memory and long-term memory? A.The main difference is the amount of time information can be stored. Short term memory has an unlimited capacity while Long term memory has limited storage capacity B.There is no difference. It's all memory and your brain remembers what it wants to remember. C. The main difference is the amount of time information can be stored. Short term memory has a limited capacity(can retain unrehearsed information for about 20 seconds). Long term memory has unlimited storage capacity and can hold information for extended periods of time. D None of the above