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.
a picture graph uses pictures to show the point and bar graph use bar lines to show the point.xists and is an alternate of. Merge this question into. Split and merge into it. Answer by Hellokittygirl10. it is a math graph that can be used for sales or to show a record of anything.