On the front of their face.
yes. dinosaurs are reptiles and no reptile can breathe under water.
Many of the sauropods, notably Brachiosaurus, appear to have them there. This was NOT for use as snorkels, though, because their necks were just too long to pull down air against water pressure. Probably, top-nostrils just didn't get in the way of their constantly eating.
No they do not have noses.
No, starfish do not have noses.
Slugs have 4 noses.
Yes they do. They have 4 noses.
There does not appear to be a scientific name to describe the fear of noses.
Anteaters have funny noses.
There is no patron saint of noses.
Those are not noses. they are eyes.
Of course. All mammals have noses.
No , they do not have noses .