Based on the clue 'anthropologists have stated these peoples were at ...', what is the answer?

Based on the clue 'anthracite the highest grade of this is made almos...', what is the answer? Based on the clue 'anthropogenic as in some environmental problems', what is the answer? Based on the clue 'anthropologist francis galton notes the uniqueness...', what is the answer? What is associated with: anthropologists gorged themselves on the discoveries the leakeys made at this african gorge in… Based on the clue 'anthropologists now argue over the gender of this ...', what is the answer? Based on the clue 'anthropologists pose as missionaries in by the lig...', what is the answer? Based on the clue 'anthropologists say this was the first of the genu...', what is the answer? Based on the clue 'anthropology majors study them as group ways of li...', what is the answer?