When to Use . . . . . . a Line graph. Line graphs are used to track changes over short and long periods of time. When smaller changes exist, line graphs are better to use than bar graphs. Line graphs can also be used to compare changes over the same period of time for more than one group. . . . a Pie Chart.
Definition of mouse potato. slang. : a person who spends a great deal of time using a computer.
Potato virus Y (PVY) is one of the most important viruses infecting potatoes. It is readily spread by aphids in a nonpersistent manner as well as mechanically by human activity and may result in severely depressed yields.