GENERAL KNOWLEDGE: Who invented the toothbrush ?

Questions

Per a 1995 poll, 3.9 percent of the women surveyed said they don't wear ------------?

There are more than --------- different types of Barbie dolls.?

Per capita, Canada has more ------------ shops than any other country.?

Cats have over one hundred vocal sounds, dogs only have about?

Our eyes are always the same size from birth, but our ____ and _____ never stop growing?