The Sonoran Desert is a unique ecosystem in Arizona and Mexico. What are the two main parts of this ecosystem?
the sand and the plants
the organisms and the abiotic factors
the populations of kangaroo rats and snakes
the heat and the arid climate

Question

The Sonoran Desert is a unique ecosystem in Arizona and Mexico. What are the two main parts of this ecosystem? 
       the sand and the plants
       the organisms and the abiotic factors
       the populations of kangaroo rats and snakes
       the heat and the arid climate

anonymous · Answer

B?

nottim · Answer

Well, do 2 things to verify (3 things if you wanna be good). Explain it to me, source your information, and/or show me your research.