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 of a work is distinct from its subject, which is what the story is ostensibly about. The theme is an expression of the writer's views on that subject. The subject of a story, for example, might be war, while the theme might be that war occurs in endless cycles that humanity is forced to repeat.