The absence of hand axes in eastern Asia may be because A) ...

[skymedlock]

The absence of hand axes in eastern Asia may be because
 
  A) Homo erectus people left Africa prior to the invention of Acheulean tools
  B) of a lack of suitable stone for making Acheulean tools
  C) they substituted bamboo for stone tools
  D) all of the above
  E) none of the above

Question 2

H. J. Muller won the Nobel Prize in 1946 for his research
 
  A) on human blood groups
  B) on chemical mutations in gold fish
  C) mapping the double-helix structure of DNA
  D) X-ray -induced mutations in fruit flies
  E) mapping the genes of the fruit flies

[meganlapinski]

Answer to Question 1

D

Answer to Question 2

D

[skymedlock]

Gracias!

[Jossy]

Excellent