Complete the sentences with the correct form of the words in capitals.
Example: How many __endangered__ species can

be found in the Polish mountains? DANGER
1 In many ways, football fans are similar to _____________ societies: they are extremely loyal to their group and they even wear the same clothes. TRIBE
2 If we use more _____________ energy like wind and solar, there will be much less pollution. NEW
3 Many people in _____________ countries have no access to clean water or good medical care. DEVELOP
4 Experts agree that economic _____________ is an important factor but they point out that we should worry about natural resources, too. GROW
5 By following the course of the _____________ river we walked much further than if we had taken the straight road. WIND