Anthropological studies help us trace human connectedness; for example, in exploitative eastern Congolese mines they extract coltan, which we use every day in our:
a. mobile phones
b. diesel cars
c. fluorescent lights
d. water treatment plants
Question 2
All of the following statements about sickle-cell anemia are correct except:
a. it came to the attention of geneticists when it was observed that most North Americans who suffer from it areof African ancestry.
b. it was traced to abnormalities in populations that live in a clearly defined belt across tropical Central Africa.
c. it is notable in areas where high rates of deadly form of malaria is common.
d. because it is a disease of adaptation, it can never be brought under control or eradicated.
e. heterozygous individuals suffer few negative consequences except under stress or low oxygen.
Respiration in human
The Collapse of Communism in Eastern Europe
LION-HUMAN
Human-fish Sculpture
A Human Element Emerges
Access to clean drinking water is just as important as adequate nutrition for human health