A. natural gas
B. biomass
C. syncrude
D. none of the above
✅ The correct answer is option A.
Oil derived from coal, oil shales or tar sands is called natural gas as it is obtained from nature, nothing artificial. Coal is obtained naturally from the remnant of plants that grew in swamps hundreds of millions of years ago.
Oil derived from coal, oil shales or tar sands is called natural gas as it is obtained from nature, nothing artificial. Coal is obtained naturally from the remnant of plants that grew in swamps hundreds of millions of years ago.