Answer:
Physical Problems:
1. Poor infrastructure and urban planning.
2. Poor sanitation and water supply services.
3. Lack of adequate housing.
4. Air pollution.
5. Overcrowding and traffic congestion.
6. Uncontrolled sprawl and urbanization.
Social Problems:
1. High rates of crime, violence and gang activity.
2. Poverty and inequality.
3. Discrimination and marginalization of certain ethnic and religious groups.
4. Poor access to health care and education.
5. Unemployment and underemployment.
6. Lack of civic engagement and social capital.