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Author Question: Early tools were made by striking a stone with another - a technique called ________________. a. ... (Read 178 times)

cartlidgeashley

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on: Jul 10, 2018
Early tools were made by striking a stone with another - a technique called ________________.
 
  a. percussion pounding
  b. edge flaking
  c. pounding
  d. percussion flaking

Question 2

______________ is the exchange of sections of chromosomes between one chromosome and another.
 
  a. Segregation
  b. Speciation
  c. Mutation
  d. Crossing-over


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emilymalinowski12

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Reply #1 on: Jul 10, 2018
Answer to Question 1

d

Answer to Question 2

d


cartlidgeashley

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Reply #2 on: Jul 10, 2018
Thank you


emilymalinowski12

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Reply #3 on: Jul 10, 2018
No problemo


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