Consider the following statements:

Statement I:
Activated carbon is a good and an attractive tool to remove pollutants from effluent streams and to remediate contaminants from various industries.

Statement II:
Activated carbon exhibits a large surface area and a strong potential for adsorbing heavy metals.

Statement III:
Activated carbon can be easily synthesized from environmental wastes with high carbon content.

Which one of the following is correct in respect of the above statements?