Natural resources could be the answer
Crust and mantle hope it help plz give brainlest
Answer:Ammonification is the process by which the organically bound nitrogen of microbial, plant, and animal biomass is recycled after their death. Ammonification is carried out by a diverse array of microorganisms that perform ecological decay services, and its product is ammonia or ammonium ion.
Explanation:
Its pretty obvious what the answer is
I can't see the image, but it's probably Pangea.
The climate is too dry and with the very minimal rain fall , not many plants can survive due to the desertification.