Answer:
A region can be defined by natural or artificial features. Language, government, or religion can define a region, as can forests, wildlife, or climate. Regions, large or small, are the basic units of geography.
Explanation:
The region is in a hot, dry climate
It’s always depends on the mass/weight of the rock heavier goes faster and the lighter goes slower (but if they are roughly the same size there is no dramatic change in speed)
The answer to your question is flora