Respuesta :
Answer: C. I and II only
Explanation:
The sustainability can be define as the practice of using the natural resources in a way so that the natural resources remain available for the future generation. This also emphasis over conservation of the natural environment as a whole.
I is the correct option, this is because of the fact that minimum fuel efficiency automobiles are likely to generate less amount of toxic gases on combustion this will restore the purity of the air.
II is the correct option, this is because of the fact that biodegradable materials can be easily decomposed by the living microbes in the soil this is likely to prevent the generation of toxic waste in the soil and water. Thus the integrity of the soil and water will be retained.