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 39 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 average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

For a complete list of videos, visit our video library