This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following is true of a flat Universe? A) It is two dimensional. B) It closes upon ... (Read 64 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
Which of the following is true of a flat Universe?
 
  A) It is two dimensional.
  B) It closes upon itself.
  C) It has zero curvature.
  D) It is finite.

Question 2

If the average density of matter and energy in the Universe equals the critical density, space-time will be _____.
 
  A) finite
  B) flat
  C) positively curved
  D) negatively curved


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Metfan725

  • Member
  • Posts: 552
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Structure of the Early Universe Structure of the Early Universe
A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact, A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact,
Three-dimensional structures of proteins: Fibrous protein Three-dimensional structures of proteins: Fibrous protein
Three-dimensional model of DNA. Three-dimensional model of DNA.
Use flat fingers to apply L stroke in several locations to cover the entire forehead, from midline ... Use flat fingers to apply L stroke in several locations to cover the entire forehead, from midline ...
Mathematics is the language of universe Mathematics is the language of universe
Video: EpiPen Animation (Part 2)

For a complete list of videos, visit our video library