Answer:
2 or 4 depending on the process
Explanation:
The first one is going to be b and the second one is going to be a
I believe the answer is C) reproductive isolation.
Hope this helps!
<span>In order for a climate to be considered "arid", a region/land must have scare rain that does not support the growth of vegetation. It is thought to be an areas that has minimal water sources that cannot produce greenery or other foliage. Arid can be considered extremely dry which will impact the surrounding land's ability to support growing life including plants and other animals.</span>
