Complete the second sentence in each pair so that it means the same as the first one .
1. why don't we ask for advice on saving energy ?
-we............
2. nuclear power is cheap to use , but it's very expensive to build a power plant .
-although it's ..............
3. people in richer countries live longer because they have better diets and healthcare .
-..........................because of ..............................
4. the reason people use coal and oil less and less is to educe pollution.
-because people want .............
5. there's less disease thanks to great changes in people's eating habits .
-people greatly change ...................... , so ................
6. having a higher birth rate death rate can cause overpopulation .
-....................................than birth rate can cause overpopulation.
7. good diets and healthcare help increase life expectancy .
-with the help of .................., people .............
8. there is beef and mushrooms in his favourite dish .
-his favourite dish .................from...............
9.we have several ways of producing energy without destroying the environment .
-there.............
10. let's build more green schools vietnam .
- we should ...............