They are both sites of new cell formation. Hope this helps
Answer:
refrigeration and gmos (this is based on research but it is souly opinion based because it all depends on what you think is the most important. please accept this answer with discretion.)
Explanation:
refrigeration because it helped improve shelflife for food all across the world.
gmos because it saved many crops from complete devastation and saved farmers from endless debt and depression (of money).
She needs to put the fingertip on ice to preserve it increasing the chances of medical staff being able to reattach it. Then seek medical help as soon as possible to stop the bleeding and prevent any infection in the wound and to have the fingertip reattached.