what do we call a mixture that has been designed for a specific use?
formulation
what word is used to describe resources which are being used up faster than they are replaced?
finite
what word is used to describe resources which are being replaced at the same rate they are being used up?
renewable
what phrase is used to describe meeting the needs of the current generation without compromising the ability of future generations to meet their needs?
sustainable
what word is used to describe water that is safe to drink?
potable
what do we call the process of adding chlorine or ozone to water to kill bacteria?
sterilisation
what separation process works by separating particles according to their size?
filtration
what process works because slow water allows particles to sink to the bottom?
sedimentation
what do we call the liquid waste or sewage which can be discharged into a river or the sea?
effluent
what do we call the process where bacteria is used to break down organic matter without oxygen?
anaerobic
what do we call the measurement of environmental impact of a product, process or service?
LCA
what are the missing steps in a life cycle assessment?
2manufacturing, 3transport and 5 is disposal
what do we call the 3 concepts that promote sustainable living that reduce the amount of waste going to landfill?