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Author Question: Theories should be viewed as A) unimportant to science. B) practical science tools. C) ... (Read 61 times)

itsmyluck

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on: Jun 21, 2018
Theories should be viewed as
 
  A) unimportant to science.
  B) practical science tools.
  C) testable hypotheses.
  D) untested hypotheses.

Question 2

After tobacco companies argued that cigarette smoking had never been proven to cause lung cancer or heart disease in humans, how did epidemiological researchers establish such a causal relationship?
 
  A) They proved it through experimental studies.
  B) They inferred it as all seven criteria were met.
  C) They inferred it via overwhelming evidence.
  D) They established it by doing both (b) and (c).


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Li Jun

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Reply #1 on: Jun 21, 2018
Answer to Question 1

B

Answer to Question 2

D


itsmyluck

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Reply 2 on: Jun 21, 2018
Wow, this really help

ktidd

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Reply 3 on: Yesterday
Gracias!

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