I believe the answer is: The presence or absence of music
independent variable refers to the type of variables that are not influenced by other variables. This represent the things that can be controlled by the researchers in order to ignite a certain causal relationship with the dependent variables ( the things they want to measure)
Slaves, women, native Americans
Answer:
The Mandate of Heaven was created under the Zhou Dynasty. According to the Mandate of Heaven, China could only have one ruler at a time. The one ruler was considered to be the 'son of Heaven' and he was made the ruler with approval of Gods.
If a rule was not fair in his duties, then it was considered that God might have taken back His approval. Also, conditions like famine and natural disasters were considered that the Gods were unhappy with the ruler.
<span>In a representative form of democracy, it is found that a great deal of authority and influence lies in the hands of regional and local governments. Due to the need to ensure all regions are abiding by certain laws, local governments are granted a greater amount of influence and authority.</span>
The 25 000 is a good tip: what happened then?
It was the time of the last Glacial Maximum (Ice age). So either the Bering Strait was frozen over at the time, or the sea water was lower because so much water was taken up by the glaciers (or, most likely, a combination of the two).