Continents shift at the same rate as fingernails grow.
Why it is true
Tectonic plates move about 1-10 cm per year, similar to the rate of human fingernail growth.
Source: Geological Survey
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.
