11. Answer
It is the copyright logo.
The usual justification of copyright is to
enable creators of intellectual wealth to
financially support themselves and give
them a motive to continue publishing their
creations.
17. Answer
Delta Airlines. It is a major American Airlines
with its headquarters and largest
hub at Hartsfield-Jackson Atlanta
International Airport in Atlanta,Georgia.
29. Answer
Lumosity is an online brain training and neuroscience research
company based in San Francisco,California.Lumosity offers a brain
training program consisting of more than 40 games in the areas
of memory, attention, flexibility,speed of processing, and problem
solving