Jagged edges in Inkscape picture

[mahesh]

This is my first time using Inkscape and I'm recreating an Android Jellybean wallpaper. It looks good except for jagged edges that are actually transparent gaps between the objects. How do I get rid of these?
Hello, Ubuntu Forums contributors!
Thank you so much for any help that you give me (and any help that you've given others that I've later used)!
Have a great day and continue to do the awesome work that you always do.