The Moon is moving away from Earth 3.8 cm per year.
Why it is true
Tidal forces between Earth and Moon cause it to slowly drift away. In a billion years, the Moon will appear smaller in the sky.
Source: NASA
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.