Which of the following groups contain only biodegradable items?
A. Grass, flowers and leather
B. Grass, wood and plastic
C. Fruit-peels, cake and lime-juice
D. Cake, wood and grass
Answer:C
Which of the following groups contain only biodegradable items?
A. Grass, flowers and leather B. Grass, wood and plastic C. Fruit-peels, cake and lime-juice D. Cake, wood and grass