Answer:
25%
Step-by-step explanation:
The correct answer to the given question is 25%
A sunflower seed contains 9mg of sodium in it which can be modified and reduced as per needs.
If seed of a sunflower is modified and labeled as reduced sodium than this means that the sodium in the seed of a sunflower is reduced by 25% as compared to the original seed of sunflower in which no changing was made.