Answer:
Due to the amount of rainfall and sun in a specific area.
Step-by-step explanation:
Vegetation changes from area to area due to the amount of rainfall or the amount of sun in the area. If there was too little or to much rain it would either dehydrate or over hydrate. same with the sun. You need just the right amount of sun and rainfall for the best and juiciest crops. It can also have something to do with the soil in the given area.