Scientists should definitely use evidence - and they collect this evidence though especially designed experiments. Based on their data and assumptions they build models which they then test, but they can base their conclusions based on the models too. 
What they should not do is based the conclusions on opinions, because opinions are not imparcial- they can state them as opinions, but not as conclusions. 
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A scientist that would be most likely to study peking man is an archaeologist.
        
             
        
        
        
I'm sure the answer would be-
A. Iran
        
             
        
        
        
Answer:
honest trust worthy and reliable  
Explanation:
 
        
             
        
        
        
Answer:
Actually, it is said by oral tradition that the founding ancestor of all the Mole-Dagbani migrated from north-east of the Lake Chad to the south of the Niger bend, Zamfara, which is modern-day Nigeria. The Mole-Dagbani are very reclusive due to their Muslim beliefs and cultural practices. Also, their culture is highly dependent upon oral tradition, so there is little text on the culture for researchers to obtain. The migration was aggravated by a loss of faith in Ghana’s future due to bad governance by  both the civilian and military regimes. The Economic Community of West African States
(ECOWAS) formed in 1975 precipitated further Ghanaian emigration to neighbouring West  African countries. One of the objectives of the regional organisation was to facilitate freedom of  movement, residence and employment within the community. 
Explanation: