Which of the following are substitute resources?
A)coal and natural gas used in heating
B)sugar and salt, used in cereals
C)a teacher and a chalkboard
D)apples and wheat breads, used in a sandwich shop
E)a coffee machine and a personal computer, used in an office

Question

Quizplus · Accepted Answer

Coal and natural gas can both be used for heating purposes, so they are substitute resources for each other.

Answer: B 
 Sugar and salt can both be used as flavorings in cereals, so they are substitute resources for each other.

Answer: D 
 Apples and wheat breads are not substitute resources for each other, as they perform different functions in a sandwich shop.

Answer: E 
 A coffee machine and a personal computer are not substitute resources for each other, as they perform different functions in an office.

Therefore, the best choice(s) are A and B.

Which of the Following Are Substitute Resources