Q. The residue left after methane production from cattle dung is
A) Burnt
B) Buried in land fills
C) Used as manure
D) Used in civil construction
Explanation
The residue left after methane production from cattle dung is used as fertilizer
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.