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Author Question: The fact that life expectancy has increased significantly over the past 60 years in developing ... (Read 41 times)

biggirl4568

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on: Jul 16, 2018
The fact that life expectancy has increased significantly over the past 60 years in developing nations is primarily a result of the
 
  A) epidemiologic transition.
  B) cultural transition.
  C) demographic transition.
  D) socioeconomic transition.

Question 2

Which of the following best describes crown fires?
 
  A) They create a mosaic of successional stages in an ecosystem.
  B) They decrease biodiversity by eliminating species that are fire resistant.
  C) They increase the later stages of succession.
  D) They are not a natural factor in undisturbed ecosystems.


fauacakatahaias

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Reply #1 on: Jul 16, 2018
Answer to Question 1

A

Answer to Question 2

A


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