Match the words with their definitions. ecology

to recycle

a volunteer

to clean out

rubbish

a nesting box

to make free from dirt and rubbish

a person who does services without payment or reward

things of no use that are thrown away

to treat smth that has already been used so that it is fit to use again

a box for birds to nest in

the relation of plants and living beings to each other and to the environment

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