Author Question: The point in time when the expansion of the universe began is referred to the A) big crunch B) ... (Read 67 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
The point in time when the expansion of the universe began is referred to the
 
  A) big crunch
  B) cosmic detonation event
  C) big bang
  D) big blowup

Question 2

What is the most significant drawback of possibly sending humans to Mars?
 
  A) the fact that there would be no possible source of water on the surface
  B) the high probability of contamination of the Martian surface by microbes associated with human beings
  C) the high probability of Martian microbes contamination of contaminating the crew
  D) the fact that astronauts could not breathe in the Martian atmosphere



nathang24

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

For a complete list of videos, visit our video library