Which of the following statements is correct?

a- In developing countries, poor, semi-illiterate and unskilled workers, migrating from rural areas frequently end up performing decent jobs with high wages in the informal sector in urban areas.

b- Slums are residential areas of the least choice, dilapidated houses, poor hygienic conditions, poor ventilation, and lack of basic amenities, like drinking water, light and toilet facilities, etc.

Only statement b is correct.

In developing countries, poor, semi-illiterate and unskilled like Ramesh migrating from rural areas frequently end up performing menial jobs at low wages in the informal sector in urban areas.

Slums are residential areas of the least choice, dilapidated houses, poor hygienic conditions, poor ventilation, and lack of basic amenities, like drinking water, light and toilet facilities, etc. Open defecation, unregulated drainage system and overcrowded narrow street patterns are serious health and socio-environmental hazards.