第110页

信息发布者：
olving
over
illed
adam
orth-east
C
C
B
B

D
Tourists should clean up rubbish after visiting the wetland.
Because fishermen keep fishing, birds don't have enough food to eat.
It's very meaningful to join an environmental organization and work as a 
volunteer.
We should stop people from using the land for farms and buildings.
 Deserts are dry, so some plants keep water in their leaves.
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