Arid ClassCSoil factor1.8Viable farming factor0.61Viable industry factor0.78Pollution absorption50Special featuresBiome changesTerraforming: TerranCavernous transformation: CavernousGrassland transformation: GrasslandPollution: Desert Arid is a planet biome in Master of Orion. DescriptionArid planets have rocky terrain and sparse vegetation. Unique featuresStrategies