As oceans gradually acidify due to rising carbon dioxide (C…

 As oceans gradually acidify due to rising carbon dioxide (CO2) emissions, some of these marine organisms will find it harder to build their shells or skeletons. This is bad news not only for the organisms themselves, but also for the people who rely on them. Clams, and other organisms in its group, are under threat. Clams are categorized as:

Complete the following table. Make sure you do not have extr…

Complete the following table. Make sure you do not have extra spaces in your Objective and Total Mag columns. Lens Objective Ocular Total Mag Diameter Field of Vision Scanning [obj1] [ocular1] [totmag1] [dfv1] [lens1] 10X [ocular1] [totmag2] [dfv2] [lens2] [obj2] [ocular1] 400X approx 0.5 mm [lens3] 100X [ocular1] [totmag3] N/A