You are presented with the question "Something that is a push or a pull of water against the seed what causes a root to emerge." and the following answer choices: 
- corn
 - spring
 - motion
 - bamboo
 - elms
 - growth
 - coat
 - heat

Now knowing that the force of water against the seed coat causes a root to emerge from a seed and forces A force is a push or a pull, choose the best answer.


 

       coat  