Where citizens elect a smaller group of officials to make decisions on their behalf. Used in democratic countries with a large population. *

Is even more difficult to analyze because of the lack of cues in computer mediated communication.

As our current atmosphere formed, the concentrations of various atmospheric gases fluctuated. match each gas with the explanation that best describes how its proportion changed during the evolution of the atmosphere.

Below is a description of a resource that you're considering using for a research paper. as you read the description, keep in mind what you've learned about historical thinking skills and use those skills in evaluating whether or not to use the source.