You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: THE ENVIRONMENT 
Clue: This word means catching an unsustainably high number of tuna & cod
[A]: overfishing


[Q]: Category: CHEMISTRY 
Clue: It's a system of small particles "hanging" in a liquid; paint, for example
[A]: suspension


[Q]: Category: LITERATURE 
Clue: In the Andersen tale, at age 15 she swims to the ocean's surface & views the world above for the first time
[A]:
the little mermaid