Glue/ Paste
Paint
Clay
Crayon
Chalk
Juicy, greasy, things like that
Paste is probably near the top of the list, but frankly "everything" is probably the best answer.
Taste
that's just how things are...some things are sweet, some are bitter
If you did not cook some of them they would taste bad.
They are covered in tastebuds (basically they are a smimming tongue) so they would be able to taste their own excrement.
There are many things that the international community will need to develop a common taste. Some things include transportation, trading laws, and warfare.
You would get ride of the taste and smell of moth balls in the same way that you would do it for anything else. Some people do different things, but usually eating anything else with a strong flavor should get rid of the taste, and just use your preferred scent to get rid of the smell.
Middle class Romans are a variety of things. They would eat meat, vegetables, eggs, and fruits. They also ate grain cereals and some fish.
class
It really depends on what brand of food colouring you use and the amount. Also, colour can affect the way you taste some things i.e. if you drunk some Pineapple Juice that was purple it might taste different because the colour is masking the flavour. This is all because sight and colour affects the way you taste things :)
There are taste buds on your tongue that differentiate between sweet and sour or bitter.