Mystery #4Tier 1-2ears / body
Is earwax just gunk, or is it there for a reason?
Every so often a bit of yellowy, sticky stuff turns up in your ear, and grown-ups seem keen to wipe it away. It looks like nothing but gunk your body should be a bit embarrassed about. But what if it is actually there on purpose, doing an important job?
Your guess
What do you reckon earwax is actually for?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
Make a guess to unlock the hints and the answer.