Choose the option that reflects the most essential and broadly true characteristic of a desert.
- Prompt: desert
- Options: cactus, arid, oasis, flat
Concept/ApproachIdentify the trait that is necessary and generally applicable to deserts rather than an accessory, example, or sometimes feature.Step-by-Step evaluation1) 'Arid' means extremely dry with low precipitation — this condition defines deserts worldwide.2) 'Cactus' occurs in many (especially American) deserts but not all (e.g., the Gobi and polar deserts lack cacti).3) 'Oasis' is a localized exception within deserts, not a defining trait.4) 'Flat' terrain is common in places but many deserts are mountainous or have dunes; therefore, not essential.Verification/AlternativeDefinition-level check: a desert is classically defined by low rainfall (aridity), not by specific flora or topography.Common pitfallsConfusing common examples (cactus) or occasional features (oasis, flat) with the universal defining property (aridity).Final Answerarid
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