A temperature inversion can adversely affect air quality and is characterized by: . 1. inverted air masses with particulate held at altitude 2. a layer of cold air forming above warmer air 3. air masses with inverted primary and secondary pollutants 4. a layer of warm air forming above colder air

Based on your knowledge of industrialization, which of the following statements best describes what is happening in this photo taken in the us around 1910? a. the children pictured here likely worked a 4 - 6-hour shift after school, five days a week, for minimum wage. b. the children pictured here are working illegally, as child labor was prohibited in the late 1880s. the children pictured here likely worked a 12-hour day, six days a week, for about one dollar a week d. the children pictured here likely earned good wages, were protected from risk of injury, and were likely to have a successful, long-term career in this industry.