Given a scientific question, generate a correct answer to it.

[EX Q]: What is the name of the process where light is produced without heat?
[EX A]: luminescence

[EX Q]: If no unbalanced force acts on an object the object remains at constant velocity or what?
[EX A]: at rest

[EX Q]: How do bees communicate to tell other bees where food is located?
[EX A]:
waggle dance