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).
You can download answer here cutt.liz/NfBdf
Hey mate! After mitoses there are 46 cromosomes total but the daughter cell can hold 23 cromosomes. I hope this helps you! :)
