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).
Answer: A. quality of life
No it is not the main energy source
Answer:
C
Explanation:
It must be prescribed by a doctor
Based on the sentence "a placebo is amedication that elicits a positive emotional response in an experimental subject", a placebo is a simulated medically ineffectual treatment for disease or other medical condition intended to deceive the recipant. the answer are: FALSE
hope this help
