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).
The answer here would be true
Answer:
You should not sell unprescribed medication to people is illegal because they could be considered drugs. It is unsafe because they do not need it, or if they did they could have their doctor prescribe it to them and they you would not need to sell it to them.
Answer:
Just think like its gonna be ur last day on earth