They produce oxygen they are used as shelter, they are used for blocking the shade, they sustain other animals that sustain the planet and us.
Chemical bond is the right awnser
This biome has a layer of soil that can either be sandy, gravelly, or stony, depending on the type of desert. Deserts usually get at most 50 centimeters (20 inches) of rainfall a year, and the organisms that live in deserts are adapted to this extremely dry climate. Plants in deserts have adaptations to conserve water.
