Write conditional sentences type 2, using the cues given

IX.       Write conditional sentences type 2, using the cues given.

1.         What/ happen/ if/ water pollution/ stop?

2.         We/ be/ happy/ if/ air pollution/ the world/ be/ a/ better place?

3.         If/ there/ be/ no more pollution/ the world/ be/ a better place?

4.         If/I/ be/ you/I/ take/ these bottles/ the bottle bank.

5.         If/ people/ not really care/ the environment/ they/ not try/ save it.

6.         The river/ not be/ so polluted/ if/ factories/ not dump/ waste/ it.

7.         We/ be/ less worried/ if/ oil spills/ not have/ such destructive effects.

8.         If/ we/ destroy/ the ozone layer/ what/ save/ us/ the UV rays?