Wooden spears would have improved the efficiency of hunting. The ...

[misspop]

Wooden spears would have improved the efficiency of hunting. The oldest date to
 
  A) about 900,000 years ago and are found in China
  B) about 400,000 years ago and are found in Africa
  C) about 400,000 years ago and are found in England and Germany
  D) about 700,000 years ago and are found in Indonesia
  E) about 1.6 million years ago and are found in Africa

Question 2

Human bipedalism
 
  A) is extremely specialized
  B) is an efficient and flexible locomotor pattern
  C) often results in foot and back ailments
  D) is a compromise between upright posture and the birth process
  E) all the above

[robbielu01]

Answer to Question 1

C

Answer to Question 2

E

[misspop]

Thanks for the timely response, appreciate it

[mammy1697]

Gracias!