Answer:
Combination of one or more columns used to identify particular rows in a relation is a key
Correct the data she entered , and the software will adjust the graph -apex
For the list of application, either check in the book or come up with yourself.
All application not depend on the 32 bit or 64 bit processor.
Big hero six was the greatest kid movie ever invented like there is no question about that I love that movie
Hope this helps you.. Sorry for the handwriting.