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Author Question: Key factors in population increase include changes in A) morbidity and mortality. B) fertility ... (Read 56 times)

jerry coleman

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on: Jul 12, 2018
Key factors in population increase include changes in
 
  A) morbidity and mortality.
  B) fertility and mortality.
  C) infrastructure and mortality.
  D) income and mortality.

Question 2

A substance that contaminates some aspect of the environment and causes potential harm to living organisms is a
 
  A) chemical.
  B) toxin.
  C) pathogen.
  D) pollutant.


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deja

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Reply #1 on: Jul 12, 2018
Answer to Question 1

B

Answer to Question 2

D


jerry coleman

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Reply 2 on: Jul 12, 2018
Wow, this really help

nguyenhoanhat

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Reply 3 on: Yesterday
:D TYSM

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