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.
1 Love - The universal truth of love is a very common theme in literature and you will find countless examples of it. 2  Heroism - Whether it is false heroism or true heroic acts, you will often find conflicting values in books with this theme. 3  Good and Evil - The coexistence of good and evil is another popular theme.