Nature
DESERT
A desert is a barren region that receives very little precipitation, usually less than 250 millimeters per year. Deserts can be scorching hot or bitterly cold, like Antarctica, which is technically the world's largest desert. Life there has adapted to extreme scarcity of water.
DESERT is the kind of word that shows up in themed word searches like Strands. Themed puzzles group words like this under a shared category — here, Nature.