Effects that scientists had predicted in the past would result from global climate change are now occurring: loss of sea ice, accelerated sea level rise and longer, more intense heat waves.
An association is a relationship between things in the problem domain. It is the term used by UML. 14. How would you describe or name the association between a ship and a captain? A captain is in charge of a ship. or A captain directs a ship. 15. What is the term used for association by traditional analysts and database analysts? It is called a relationship. 16. What is multiplicity, and what is the other term used by traditional analysts and database analysts? It is a measure of the number of links in an association between an object in one class and the objects in another class. In traditional analysis it is called cardinality.
A multiplicative identity is a number that can be multiplied by any number without changing the value of that other number. The multiplicative identity for the set of all real numbers is 1 (one). Any real number can be multiplied by the number 1 without changing its value.