The correct answer to this question is a certificate of deposit.
A certificate of deposit is an interest bearing account that pays a higher rate of interest than a savings account or interest bearing checking account because you are committing to leave it in the bank for a specified period of time. The CD could be for serveral months, or extend out to multiple years. Normally the interest rate will increase as the length of time increases.
This is about identifiers in a record referring to other records.
You can have many to one, one to one, many to many.
E.g., if you have two tables, Authors and Books, then a book record could have a reference to an author record. Since an author can write many books, this would be a many-to-one relationship.
A producer <span>forms the base of food webs</span>.