Does Rational database software lets you link multiple tables? Yes or no

Im doing this last minute and literally none of my neighbors or people that my dad works with use excel so if anyone could me make up an example

Which of these is a benefit of using objects in a powerpoint presentation? a. collaborators can create the external files while you create and edit the slide show. b. you can easily change the theme and design of the presentation. c. you can have older data in the source file while having up-to-date data in the presentation. d. collaborators can easily share the presentation.

What is one reason why indoor air pollution has become an increasing problem.