Fact 1: The force of water against the seed coat causes a root to emerge from a seed.

Fact 2: Germination depends on the seed coat.

Given the two facts above, answer the question "the force of what causes germination with the emergence of a root" with the following options: 
- Light
 - gametes
 - bamboo
 - streams
 - wind
 - water
 - heat
 - fibrous


 

      water   