Ill give please answer asap

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

What is the problem in this article? what solution does the article propose?

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure