an nation of managing the waste of something is rest more of that something & example optional be managed ->  an example of managing the use of a resource is useing less of that resource  an example of managing the use of a resource is useing less of that resource & land is a mean of artificial mammals ->  an example of managing the use of water is using less water  an example of managing the use of water is using less water & an nation of rest more land is attacks off the gives when properties lips -> an example of managing the use of water is turning off the faucet when brushing teeth