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the collection and disposal or recycling of waste materials and the monitoring of waste.
the form in which excess glucose is stored in the liver and muscles of mammals.
plants that live in areas with a moderate water supply where it is neither wet nor dry.
all the ecosystems on the Earth, all the species within these ecosystems and the genetic...
graphical representation of various aspects of food chains.
waste water from sinks, washing machines, dishwashers, showers and baths, which can be used for...