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5 Where does the sorting of rubbish begin?
a) At the rubbish dump.
b) In the street.
c) At home.
6 In bottle tanks you can throw:
a) Nothing, except glass objects.
b) Cups and plates.
c) Metal objects.
7 What do we save by collecting paper?
a) Flowers.
b) Grass.
c) Trees.
8 Which of these things is made of aluminum?
a) Cans.
b) Bags.
c) Bottles.
9 What organic substances can you find in rubbish at home?
a) Glass.
b) Medicines.
c) Boxes and wrappers from groceries.
10 What element do batteries contain?
a) Mercury.
b) Aluminum.
c) Brass.
11 Do batteries contain toxic and dangerous elements?
a) Not all.
b) No.
c) Yes.
12 When does a medicine expire?
a) When it does not have any more effect.
b) After two years.
c) After the date written on the pack.