To understand what a time graph is showing you, you need to look at three things: 1. Title - The title tells you what the graph is about. For example, "Temperature on the First of September." 2.

Line graphs are drawn on two axes: the x-axis (horizontal) and the y-axis (vertical). Each axis represents a different data type, and the point at which they intersect is (0,0).

A shorter direct proof of that result was obtained by Geelen, Gerards, and Whittle [GGW00p]. However, to prove Theorem 7.0.1, the well-quasi-ordering for graphs of bounded tree-width is needed only ...

First a word of explanation; the 'tree line' marks the beginning of the 'Alpine Zone', the area where the climate is too harsh to permit tree growth. It varies in Washington state, ranging between ...