C. Hinge is the correct answer your welcome
Answer: The taproot
Explanation: A deep taproot helps plants use moisture held in deeper soil layers, and they can have great drought resistance compared to fibrous-rooted plants. An example is honey mesquite (Prosopis juliflora), which is known to send its roots down 150 feet to get water.
Well there would no longer need plants to make air or take Carbon Dioxide, and the Carbon Dioxide would me our main meal
cell wall and chloroplasts