Author Question: The point in time when the expansion of the universe began is referred to the A) big crunch B) ... (Read 34 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?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

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