Помогите задать четыре типа вопросов к каждому из предложений)…

1) 1. Does population directly reduce our social welfare by denying us access to clean air and water? 2. Population directly reduces our social welfare by denying us access to clean air and water, doesn't it? 3. Does population directly reduces our social welfare by denying us access to clean or pollute air and water? 4. When does population reduce our social welfare by denying us access to clean air and water? 2) 1. Is noise becoming a major pollutant nowadays? 2. Nowadays noise is becoming a major pollutant, isn't it? 3. Is noise becoming a major pollutant nowadays or earlier? 4. Why is noise becoming a major pollutant nowadays? 3) 1. Should some areas be permanently removed from public or private use? 2. Some areas should be permanently removed from public or private use, shouldn't they? 3. Should some areas be permanently removed from public or private use? 4. Why should some areas be permanently removed from public or private use?