This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Theories should be viewed as A) unimportant to science. B) practical science tools. C) ... (Read 51 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
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).


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 21, 2018
Answer to Question 1

B

Answer to Question 2

D


itsmyluck

  • Member
  • Posts: 546
Reply 2 on: Jun 21, 2018
Great answer, keep it coming :)

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Hydrothermal Worm Viewed Under An Electron Microscope Hydrothermal Worm Viewed Under An Electron Microscope
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Clinical Embryology Training:Promising career for Life science Graduates Clinical Embryology Training:Promising career for Life science Graduates
Science Background Science Background
Human Relations: The Art and Science of Building Effective Relationships Human Relations: The Art and Science of Building Effective Relationships
Dissociation Theories of Hypnosis Dissociation Theories of Hypnosis
Video: Summary of glucose catabolism

For a complete list of videos, visit our video library