Tea Tree Oil is used commercially in many products including shampoos, body lotions and toiletries, but there is no legislation requiring manufacturers to state the concentration of tea tree oil in these products.
Line Graphs. One of the most common graphs you will encounter is a line graph. Line graphs simply use a line to connect the data points that you plot. They are most useful for showing trends, and for identifying whether two variables relate to (or correlate with) one another.
Picture graphs are a way to show data and make it easier to read. If we just look at a bunch of numbers on a list or spreadsheet a lot of times it just looks like a bunch of numbers. However, if we can graph the numbers in the right way, the data may take on new meaning for us.Using picture graphs can be fun. There are three types we are going to learn how to make in this lesson: Line graphs, Bar graphs, and Pie graphs. Note: These are sometimes called charts instead of graphs.ake a line graph of the color of eyes vs. the number of kids. So first we must construct our graph. We put kids on the vertical axis along the left side. We'll make line marks at every 5 kids on the vertical. Then we'll put color of eyes on the horizontal axis (the flat one) and put blue, green, and brown.