You are presented with the question "What helps plants survive?" and the following answer choices: 
- nutrients
 - staying warm
 - Loose pants
 - hydration
 - hydrate their cells
 - Looseness of soil
 - Looseness of belt
 - Looseness of lips

Now knowing that the looseness of soil increases the amount of oxygen in that soil and without oxygen in the soil, most plants die, choose the best answer.


 

      Looseness of soil   