Question

order the topics from broadest to narrowest. broader subtropical deserts the joshua tree and the creosote bush vegetation found in the mojave desert narrower

Explanation:

Sub - tropical deserts is a general category. Vegetation in the Mojave Desert is more specific to a particular desert. The Joshua tree and creosote bush are specific plants within that vegetation.

Answer:

1. subtropical deserts
2. vegetation found in the Mojave Desert
3. the Joshua tree and the creosote bush