This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is not considered a potential solution to the question of why we lack any ... (Read 15 times)

cmoore54

  • Hero Member
  • *****
  • Posts: 568
Which of the following is not considered a potential solution to the question of why we lack any evidence of a galactic civilization?
 
  A) The galactic civilization is deliberately avoiding contact with us.
  B) There is no galactic civilization because we are the first species ever to achieve the ability to study the universe.
  C) There is no galactic civilization because all civilizations destroy themselves before they achieve the ability to colonize the galaxy.
  D) The galactic civilization probably is undetectable because they operate under different laws of physics from the ones we know.

Question 2

Scientific models are used to ________.
 
  A) make miniature representations of the universe
  B) present the scale of the solar system to the general public
  C) prove that past paradigms no longer hold true
  D) make specific predictions that can be tested through observations or experiments



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

daiying98

  • Sr. Member
  • ****
  • Posts: 354
Answer to Question 1

D

Answer to Question 2

D



cmoore54

  • Hero Member
  • *****
  • Posts: 568
Both answers were spot on, thank you once again




 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Everyone has one nostril that is larger than the other.

For a complete list of videos, visit our video library