At least 15 seconds or 2 hours. Try it on your microwave if you have the time!
Source/Proof:"Food that is reheated must reach a minimum internal temperature of at least 165 F for 15 seconds. Reheating must be done rapidly and the minimum temperature must be reached within two hours."
I believe the answer would be A. Exporter
Hoped this helped!
God Bless! :)
Answer:
Ergonomic
Esther has been lifting tools all day, so most likely the repetitive movements or improper lifting caused her pain.