42.2k views
20 votes
An insulated lunch bag keeps food warm by

increasing the thermal energy of the lunch bag.
increasing the thermal energy of the food.
slowing the transfer of thermal energy from the air outside the bag to the food inside the bag.
slowing the transfer of thermal energy from the food inside the bag to the air outside the bag.

User Xesued
by
4.9k points

2 Answers

8 votes

Answer:

D

Step-by-step explanation:

slowing the transfer of thermal energy from the food inside the bag to the air outside the bag.

User Karthik Arumugham
by
5.3k points
2 votes

Answer:

slowing the transfer of thermal energy from the food inside the bag to the air outside the bag.

Step-by-step explanation:

User Moyshe Zuchmir
by
5.4k points