Checking the quality of your evidence is an important step in refining support for your argument. What are three elements that you should look for when determining source quality?

The three elements to look for when checking the quality of the source is to determine if the source considers competing perspectives, if the source offers supporting date and citations and expansion of the information.

Explanation:

Source quality is important because there needs to be expansion on the information and it can be gained only when the historical source is analysed from varied perspectives.

Competitive views and standpoints provides a better and an effective interpretation of the historical evidence or the source. Secondly it is important because it will offer opposing arguments. Thirdly source quality is important because it will offer more credible sources.

the period of human evolution has coincided with environmental change, including ('hominin' refers to any bipedal species closely related to humans – that is, on how do we know earth's climate has changed? a map showing dates and locations of prehistoric archeological sites and migration routes from africa into.