A. Lignite & anthracite coal
B. Lignite & coal gas
C. Petrol & diesel
D. Coal gas & natural gas
Correct Answer: Petrol & diesel ✔
Last Updated: February 11, 2019
A. Lignite & anthracite coal
B. Lignite & coal gas
C. Petrol & diesel
D. Coal gas & natural gas
Correct Answer: Petrol & diesel ✔
Last Updated: February 11, 2019