You are presented with the question "the force of what causes germination with the emergence of a root" and the following answer choices: 
- Light
 - gametes
 - bamboo
 - streams
 - wind
 - water
 - heat
 - fibrous

Now knowing that the force of water against the seed coat causes a root to emerge from a seed and germination depends on the seed coat, choose the best answer.


 

      water   