Question

the calorific value of coal is 33,000KJ/kg and that of wood is 20,000KJ/kg. which of these is more efficient fuel?
A) coal
B) wood
C) both of them
D) none of the above​

Answer 1

Answer:

wood

Explanation:

Answer 2

Answer:

A and C

Explanation:

the calorific value of coal is 33,000KJ/kg and that of wood is 20,000KJ/kg. which of these is more efficient fuel?

A) coal

B) wood

C) both of them

D) none of the above