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Author Question: Although all of the following may have been critical to the development of an expanding brain, which ... (Read 12 times)

melly21297

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on: Aug 11, 2018
Although all of the following may have been critical to the development of an expanding brain, which do scientists believe would have contributed most directly to brain growth?
 
  a. the migration into colder and less known areas placing a premium on learning
  b. a genetic mutation resulting in a smaller jawbone and smaller facial muscles
 c. the detoxification of foods, allowing humans to live to significantly older ages
  d. the ability to conquer predators, allowing humans higher meat consumption levels

Question 2

El Pilar is located not far from Tikal:
 
  a. in Mexico.
  b. in Cuba.
  c. in Spain.
  d. on the border between Belize and Guatemala.
  e. on the border between Guatemala and Honduras.


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abctaiwan

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Reply #1 on: Aug 11, 2018
Answer to Question 1

b

Answer to Question 2

d


melly21297

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Reply #2 on: Aug 11, 2018
Both answers were spot on, thank you once again


abctaiwan

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Reply #3 on: Aug 11, 2018
Great! Please up vote :D


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