1)the generation of the earth's shell depends on the earth's core
2)English is very important in the computer
3)from-for bad relations with friends we nemozhem find obshiy language
4)the amount of the purchase of tasica rubles
5)air pollution is due to cars and factories
6)dirty air is bad to breathe
7)stop polluting nature
8)wastes from factories are very harmful to the nature
9) remedies for skin help and not harm