A. Waste materials
B. Animals which can live in water
C. The remains of the plants & animals in
earth’s crust
D. none of these
Free MCQs for FPSC, NTS, PPSC, PMS, CSS & All Pakistan Exams 2026
A. Waste materials
B. Animals which can live in water
C. The remains of the plants & animals in
earth’s crust
D. none of these