5. Music competitions can help develop participants' singing careers.
6. Sharing housework teaches young people how to take responsibility.
7. Participants will perform live for an audience.
8. Everyone can reduce their carbon footprint and become more eco-friendly.
9. Too much carbon dioxide in the atmosphere can increase Earth's average temperature.
10. Doing housework as a family makes children feel they are members of a team.
11. Family values affect children's behaviour throughout life.