« previous next »

Author Question: The point in time when the expansion of the universe began is referred to the A) big crunch B) ... (Read 49 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Early History of the Universe Early History of the Universe
In middle childhood, children spend increasing amounts of time with peers and friends. In middle childhood, children spend increasing amounts of time with peers and friends.
Sterilization Time Requirements Sterilization Time Requirements
Radiation Side Effects, Healing Time, and Intervention Radiation Side Effects, Healing Time, and Intervention
Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ... Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ...
The Geologic Time Scale The Geologic Time Scale
Video: What are Taste Receptors? How Does it Work? Animation

For a complete list of videos, visit our video library