activated carbon A powdered, granular or pelleted form of amorphous carbon characterized by a very large surface area per unit volume because of an enormous number of fine pores
active participation The involvement, either by an individual or a group of individuals, in their own governance or other activities, with the purpose of exerting influence
working population engaged in agriculture The number of a particular region or nation's working population gainfully employed or otherwise occupied with the production of crops, livestock or poultry
