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Author Question: __________ of all lung cancer deaths are caused by smoking. a. 10-20 b. 30-40 c. 60-70 d. ... (Read 93 times)

nevelica

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on: Jun 22, 2018
__________ of all lung cancer deaths are caused by smoking.
 
  a. 10-20
  b. 30-40
  c. 60-70
  d. 80-90

Question 2

Most of the cancer-causing substances in smoke are in __________.
 
  a. carbon monoxide
  b. tar
  c. nicotine
  d. carbon dioxide


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leahm14

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Reply #1 on: Jun 22, 2018
Answer to Question 1

d

Answer to Question 2

b


nevelica

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Reply 2 on: Jun 22, 2018
Gracias!

Liamb2179

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Reply 3 on: Yesterday
:D TYSM

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