Which of the following waste can be put into deep pits in the ground and be left for the natural breakdown?
A. Half-degradable
B. Non-biodegradable
C. Bio-degradable
D. Recyclable
Answer:C
Which of the following waste can be put into deep pits in the ground and be left for the natural breakdown?
A. Half-degradable B. Non-biodegradable C. Bio-degradable D. Recyclable