Final answer:
Child labor conditions during the Progressive Era included working in places with poor air quality and lacking light.
Step-by-step explanation:
Based on Lewis Hine's photograph of child laborers during the Progressive Era, two conclusions can be drawn about child labor conditions:
1. Children worked in places that lacked clean air: The photograph shows children working in factories, which were often crowded and poorly ventilated. This resulted in poor air quality, exposing the children to harmful pollutants and increasing the risk of respiratory problems.
2. Children worked in places lacking light: The photograph also depicts a dimly lit factory, suggesting that child laborers often worked in poorly illuminated environments. This lack of light not only made it difficult for children to perform their tasks effectively, but it also posed risks to their safety and wellbeing.