answer - surrogate key is a unique identifier used in databases for a modeled entity or an object. It is a unique key whose only significance is to act as the primary identifier of an object or entity and is not derived from any other data in the database and may or may not be used as the primary key.
Answer:
open source software
Explanation:
A software that is free and whose code can be accessed and potentially modified by anyone is referred to as an open source software. The license used by the developer of an open source software grants all users the permission to use, distribute and modify the software at any time.
Some examples of an open source software are Firefox, gimp, OpenOffice etc.
You are usually editing a word document when you are finished typing up and assignment or what not, then highlighting what you want to edit will tell the computer/word document what and where your making your edits.
Answer: by reading the copyright notice on the website where she found the graph.
Explanation: ~Apex~
