Answer:
12 workers killed in tunnel blast in China
 
        
             
        
        
        
Answer: Battle of the somme
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Answer:
Transparency is the correct answer. 
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Demographers are scientists who study human populations. They tend to map and understand the dynamics of population, which includes birth, death, and migration. All of these affects population and must be studied by demographers. They may study the population change within a country or the interrelationship of countries' populations, which is mostly necessary in studying migration. However, they could also take specialization. For example, they could study only parts of the population like workers' social pattern. Demographers mainly use statistics in mapping their data. 
        
             
        
        
        
Was located in Northeast Africa just south of Ancient Egypt. The main cities of Kush were situated along the Nile River, the White Nile River, and the Blue Nile River. Today, the land of Kush is the country of Sudan. How long did the Kingdom of Kush rule? The Kingdom of Kush lasted for over 1400 years. It was first established around 1070 BCE when it gained its independence from Egypt. It quickly became a major power in Northeast Africa. In 727 BCE, Kush took control of Egypt and ruled until the Assyrians arrived. The empire began to weaken after Rome conquered Egypt and eventually collapsed sometime in the 300s CE.