The arrows in the diagram show continuous, cyclic movements from one subsystem to another without an end. Reflect upon your previous answers and knowledge of Earth's subsystems to determine whether the arrows in the diagram best
represent matter, energy, or both. Explain your answer and provide at least one example that occurred during the
Precambrian era.

Did the west show signs of cultural decline in the 20th century?

Describe two observations that galileo was the first to make with his telescope.

Choose one civil war topic from the list below. research your topic using the library and the internet. then, write a report of at least four hundred words. topics: a major civil war battle civil war munitions and uniforms the emancipation proclamation the gettysburg address note! when writing a research paper, it is important to cite your source or sources. for example, anytime you use a direct quote from the source in your writing, you should follow it with the author's last name, the year of the publication, and the page number where the specific quotation is located in parentheses. for example: the author states, "lincoln was an american hero." (jones, 1999, p. 298). you will also need to include a works cited section at the end of your paper, providing the information about the source you used. generally, when you are writing for a social science course (like this course), you will use a citation format designed by the american psychological association (apa). use this brief apa style guide to you format your citations.