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because they need energy and the food water and ability to get rid of waste is a natural cycle to produce energy
Nuclear waste.
Efficiently is an adjective that means to do something with little waste, such as time, energy, or materials.
waste disposal works by when u have anything or something it goes to waste which produce toxic subtances which causes harmful benifits
yes they do but its very very little to even consider some :)
There are all kinds of waste that can be turned into something useful. For example, with a little imagination, old tires can be used to make an ottoman.
When you do something with as little waste as possible.
the waste that the cell produce is protiens.
we produce poo
When you do something with as little waste as possible.
When you do something with as little waste as possible
when you do something with as little waste as possible