In order for me to answer this question I would need to know who the narrator is. Give more details.
Tundra and polal climate do sustain snow, but they don't actually get very warm. The mediterraneam climate on the other hand gets quite warm, but even if it does experience some limited snow, the snow does not stay on the ground. The same is true for the Mesothermal climate.
The correct answer is the microthermal climate
Well all the books and literature were in latin so it was kept mostly by the monks. They still speak latin to this day. But as years went on cultural mixing happened and latin became Italian, Spanish, Romanian, French and Portuguese.
