Curry
Answer 1: oil fish vegetables and cereals.
Answer 2:No,there aren't.In some poor areas,children may be hungry,the other people have no places to live or have a little space to live.And there are also no place for them to have a bath.They just have simple instrument.
Answer 3:needs is basic requirements for humans survival.But wants is people's desires for goods and services.
Answer 4:In the world ,there are some non-renewable energy resources.Also, it depends on four factors ---land, labour, capital and enterprise.