Before looking for specific answers, it is helpful to break down the "big ideas" usually covered in this section of the 2B curriculum: 1. The Composition of Air
If you are unsure of a term like "Stomata" or "Combustion," the back of Workbook 2B usually contains a concise definition list. new mastering science workbook 2b answer chapter 9
Science examiners look for specific terminology. Instead of saying "the air got dirty," use "the concentration of air pollutants increased." Before looking for specific answers, it is helpful