Argon is the current carrier in this discharge tube, while mercury is what produces the glow. pslawinski, wikipedia.org. Here's a list of chemical elements ordered by increasing atomic number. The names and element symbols are provided.
Journeys and Destinations. This unit for grades 2â3 uses an inquiry-based approach to investigate literature in an interdisciplinary, multicultural curriculum. The guiding theme of this unit is the recognition of change as a concept that affects people and their relationships to the world around them.
The theme  is the motif of the story, that is, it permeates the whole story  and recurs throughout the narrative. An example of a theme is the  topic of bravery in Harry Potter.   5. Plot: The plot refers to  the flow of events in the story. Essentially, the plot refers to  what is happening in the story.