Choose the correct option for each sentence.

1. We were late because of
1traffic jams
2public transport
3climate change
caused by the snow.
2. The streets of our city are full of
1centres
2endangered animals
3litter
. You can see plastic bottles and paper everywhere.
3. CO2 is the main reason for
1rubbish
2climate change
3traffic jams
.
4. Energy from sun, wind and waves is called
1recycled
2renewable
3nuclear
energy.
5. To protect the environment, pupils often help
1clean up
2save
3pollute
parks and beaches.
6. My grandad used to take glass bottles to the
1public
2bottle
3recycling
centre.
7. To reduce the amount of rubbish we
1damage
2throw away
3pollute
, we should purchase less.
8. The factory keeps
wasting
cleaning up
recycling
the water in the river, that's why it looks so dirty.